linux-stable/include/trace/events/sunrpc.h

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License cleanup: add SPDX GPL-2.0 license identifier to files with no license Many source files in the tree are missing licensing information, which makes it harder for compliance tools to determine the correct license. By default all files without license information are under the default license of the kernel, which is GPL version 2. Update the files which contain no license information with the 'GPL-2.0' SPDX license identifier. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text. This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne. How this work was done: Patches were generated and checked against linux-4.14-rc6 for a subset of the use cases: - file had no licensing information it it. - file was a */uapi/* one with no licensing information in it, - file was a */uapi/* one with existing licensing information, Further patches will be generated in subsequent months to fix up cases where non-standard license headers were used, and references to license had to be inferred by heuristics based on keywords. The analysis to determine which SPDX License Identifier to be applied to a file was done in a spreadsheet of side by side results from of the output of two independent scanners (ScanCode & Windriver) producing SPDX tag:value files created by Philippe Ombredanne. Philippe prepared the base worksheet, and did an initial spot review of a few 1000 files. The 4.13 kernel was the starting point of the analysis with 60,537 files assessed. Kate Stewart did a file by file comparison of the scanner results in the spreadsheet to determine which SPDX license identifier(s) to be applied to the file. She confirmed any determination that was not immediately clear with lawyers working with the Linux Foundation. Criteria used to select files for SPDX license identifier tagging was: - Files considered eligible had to be source code files. - Make and config files were included as candidates if they contained >5 lines of source - File already had some variant of a license header in it (even if <5 lines). All documentation files were explicitly excluded. The following heuristics were used to determine which SPDX license identifiers to apply. - when both scanners couldn't find any license traces, file was considered to have no license information in it, and the top level COPYING file license applied. For non */uapi/* files that summary was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 11139 and resulted in the first patch in this series. If that file was a */uapi/* path one, it was "GPL-2.0 WITH Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 WITH Linux-syscall-note 930 and resulted in the second patch in this series. - if a file had some form of licensing information in it, and was one of the */uapi/* ones, it was denoted with the Linux-syscall-note if any GPL family license was found in the file or had no licensing in it (per prior point). Results summary: SPDX license identifier # files ---------------------------------------------------|------ GPL-2.0 WITH Linux-syscall-note 270 GPL-2.0+ WITH Linux-syscall-note 169 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17 LGPL-2.1+ WITH Linux-syscall-note 15 GPL-1.0+ WITH Linux-syscall-note 14 ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5 LGPL-2.0+ WITH Linux-syscall-note 4 LGPL-2.1 WITH Linux-syscall-note 3 ((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3 ((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1 and that resulted in the third patch in this series. - when the two scanners agreed on the detected license(s), that became the concluded license(s). - when there was disagreement between the two scanners (one detected a license but the other didn't, or they both detected different licenses) a manual inspection of the file occurred. - In most cases a manual inspection of the information in the file resulted in a clear resolution of the license that should apply (and which scanner probably needed to revisit its heuristics). - When it was not immediately clear, the license identifier was confirmed with lawyers working with the Linux Foundation. - If there was any question as to the appropriate license identifier, the file was flagged for further research and to be revisited later in time. In total, over 70 hours of logged manual review was done on the spreadsheet to determine the SPDX license identifiers to apply to the source files by Kate, Philippe, Thomas and, in some cases, confirmation by lawyers working with the Linux Foundation. Kate also obtained a third independent scan of the 4.13 code base from FOSSology, and compared selected files where the other two scanners disagreed against that SPDX file, to see if there was new insights. The Windriver scanner is based on an older version of FOSSology in part, so they are related. Thomas did random spot checks in about 500 files from the spreadsheets for the uapi headers and agreed with SPDX license identifier in the files he inspected. For the non-uapi files Thomas did random spot checks in about 15000 files. In initial set of patches against 4.14-rc6, 3 files were found to have copy/paste license identifier errors, and have been fixed to reflect the correct identifier. Additionally Philippe spent 10 hours this week doing a detailed manual inspection and review of the 12,461 patched files from the initial patch version early this week with: - a full scancode scan run, collecting the matched texts, detected license ids and scores - reviewing anything where there was a license detected (about 500+ files) to ensure that the applied SPDX license was correct - reviewing anything where there was no detection but the patch license was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied SPDX license was correct This produced a worksheet with 20 files needing minor correction. This worksheet was then exported into 3 different .csv files for the different types of files to be modified. These .csv files were then reviewed by Greg. Thomas wrote a script to parse the csv files and add the proper SPDX tag to the file, in the format that the file expected. This script was further refined by Greg based on the output to detect more types of files automatically and to distinguish between header and source .c files (which need different comment types.) Finally Greg ran the script using the .csv files to generate the patches. Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-11-01 14:07:57 +00:00
/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM sunrpc
#if !defined(_TRACE_SUNRPC_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_SUNRPC_H
#include <linux/sunrpc/sched.h>
#include <linux/sunrpc/clnt.h>
#include <linux/sunrpc/svc.h>
#include <linux/sunrpc/xprtsock.h>
#include <linux/sunrpc/svc_xprt.h>
#include <net/tcp_states.h>
#include <linux/net.h>
#include <linux/tracepoint.h>
#include <trace/misc/sunrpc.h>
TRACE_DEFINE_ENUM(SOCK_STREAM);
TRACE_DEFINE_ENUM(SOCK_DGRAM);
TRACE_DEFINE_ENUM(SOCK_RAW);
TRACE_DEFINE_ENUM(SOCK_RDM);
TRACE_DEFINE_ENUM(SOCK_SEQPACKET);
TRACE_DEFINE_ENUM(SOCK_DCCP);
TRACE_DEFINE_ENUM(SOCK_PACKET);
#define show_socket_type(type) \
__print_symbolic(type, \
{ SOCK_STREAM, "STREAM" }, \
{ SOCK_DGRAM, "DGRAM" }, \
{ SOCK_RAW, "RAW" }, \
{ SOCK_RDM, "RDM" }, \
{ SOCK_SEQPACKET, "SEQPACKET" }, \
{ SOCK_DCCP, "DCCP" }, \
{ SOCK_PACKET, "PACKET" })
/* This list is known to be incomplete, add new enums as needed. */
TRACE_DEFINE_ENUM(AF_UNSPEC);
TRACE_DEFINE_ENUM(AF_UNIX);
TRACE_DEFINE_ENUM(AF_LOCAL);
TRACE_DEFINE_ENUM(AF_INET);
TRACE_DEFINE_ENUM(AF_INET6);
#define rpc_show_address_family(family) \
__print_symbolic(family, \
{ AF_UNSPEC, "AF_UNSPEC" }, \
{ AF_UNIX, "AF_UNIX" }, \
{ AF_LOCAL, "AF_LOCAL" }, \
{ AF_INET, "AF_INET" }, \
{ AF_INET6, "AF_INET6" })
DECLARE_EVENT_CLASS(rpc_xdr_buf_class,
TP_PROTO(
const struct rpc_task *task,
const struct xdr_buf *xdr
),
TP_ARGS(task, xdr),
TP_STRUCT__entry(
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(const void *, head_base)
__field(size_t, head_len)
__field(const void *, tail_base)
__field(size_t, tail_len)
__field(unsigned int, page_base)
__field(unsigned int, page_len)
__field(unsigned int, msg_len)
),
TP_fast_assign(
__entry->task_id = task->tk_pid;
__entry->client_id = task->tk_client ?
task->tk_client->cl_clid : -1;
__entry->head_base = xdr->head[0].iov_base;
__entry->head_len = xdr->head[0].iov_len;
__entry->tail_base = xdr->tail[0].iov_base;
__entry->tail_len = xdr->tail[0].iov_len;
__entry->page_base = xdr->page_base;
__entry->page_len = xdr->page_len;
__entry->msg_len = xdr->len;
),
TP_printk(SUNRPC_TRACE_TASK_SPECIFIER
A slow cycle for nfsd: mainly cleanup, including Neil's patch dropping support for a filehandle format deprecated 20 years ago, and further xdr-related cleanup from Chuck. -----BEGIN PGP SIGNATURE----- iQJJBAABCAAzFiEEYtFWavXG9hZotryuJ5vNeUKO4b4FAmGMPYkVHGJmaWVsZHNA ZmllbGRzZXMub3JnAAoJECebzXlCjuG+JVwQAKbrpgbzl91u+T6W9MUGgQVzDpeP XIy3NxCu/4pZ8SToWF3trz71sskokmkPPaZyuISD2C8e4DxO5LQ3fJLhtS9CjRFB x4iZUxH7V2BoWrb5SY6TDWBEqaq4MY9f7tIbvUu5xpa0FIupLqJjYh2CP8vqtsbm lblQKXz4ao0jwDzSVimNnPcTccpB25VIzwHsSOszRhN4rTjMgyHoETx2cqJne5IU Tx/hH0UlpnwuQ7aVpcjMoKqIyUWDTMejx51pyZhHB47DVKL7HsnZvg59mTpXFcBx 29edvWT9yy1+w3nGkTYSkOgO9DyHvCbmQzIsvoYlmbZ2sdmTKK8Wuv2Ehcw3OfvL MXGmy2EXIhzvTZXyN6pL1bBwwNSxdqJhVSxvrPLz1EymIkxf/IDI8eyUicVXd3Vq K2xOn+CXyIbXWCU85ru8UA77r1+x//gSwqcJvtKUavbNJUwNt935CE2n3+o/0OL/ pToZ89nhcaRyDP1jJKA37K48VLNtBXzZZQlRovyLelNojam/kzZkXX8dI6oV9VD1 Ymjm0mbdZzwhE3C1HxKlxwZqhN+7YoyxMQuWjFMp28wxH+dkz/USCulKZ3/H+neD 0YBSgvwe92JqkZTW2AOjipL+beAuKJ4zsfCCl2XZig/rHGutiwOf2GfgdRmJM6AD 6aiufVWKNNRQef9y =yKBl -----END PGP SIGNATURE----- Merge tag 'nfsd-5.16' of git://linux-nfs.org/~bfields/linux Pull nfsd updates from Bruce Fields: "A slow cycle for nfsd: mainly cleanup, including Neil's patch dropping support for a filehandle format deprecated 20 years ago, and further xdr-related cleanup from Chuck" * tag 'nfsd-5.16' of git://linux-nfs.org/~bfields/linux: (26 commits) nfsd4: remove obselete comment nfsd: document server-to-server-copy parameters NFSD:fix boolreturn.cocci warning nfsd: update create verifier comment SUNRPC: Change return value type of .pc_encode SUNRPC: Replace the "__be32 *p" parameter to .pc_encode NFSD: Save location of NFSv4 COMPOUND status SUNRPC: Change return value type of .pc_decode SUNRPC: Replace the "__be32 *p" parameter to .pc_decode SUNRPC: De-duplicate .pc_release() call sites SUNRPC: Simplify the SVC dispatch code path SUNRPC: Capture value of xdr_buf::page_base SUNRPC: Add trace event when alloc_pages_bulk() makes no progress svcrdma: Split svcrmda_wc_{read,write} tracepoints svcrdma: Split the svcrdma_wc_send() tracepoint svcrdma: Split the svcrdma_wc_receive() tracepoint NFSD: Have legacy NFSD WRITE decoders use xdr_stream_subsegment() SUNRPC: xdr_stream_subsegment() must handle non-zero page_bases NFSD: Initialize pointer ni with NULL and not plain integer 0 NFSD: simplify struct nfsfh ...
2021-11-11 00:45:54 +00:00
" head=[%p,%zu] page=%u(%u) tail=[%p,%zu] len=%u",
__entry->task_id, __entry->client_id,
__entry->head_base, __entry->head_len,
__entry->page_len, __entry->page_base,
__entry->tail_base, __entry->tail_len,
__entry->msg_len
)
);
#define DEFINE_RPCXDRBUF_EVENT(name) \
DEFINE_EVENT(rpc_xdr_buf_class, \
rpc_xdr_##name, \
TP_PROTO( \
const struct rpc_task *task, \
const struct xdr_buf *xdr \
), \
TP_ARGS(task, xdr))
DEFINE_RPCXDRBUF_EVENT(sendto);
DEFINE_RPCXDRBUF_EVENT(recvfrom);
DEFINE_RPCXDRBUF_EVENT(reply_pages);
DECLARE_EVENT_CLASS(rpc_clnt_class,
TP_PROTO(
const struct rpc_clnt *clnt
),
TP_ARGS(clnt),
TP_STRUCT__entry(
__field(unsigned int, client_id)
),
TP_fast_assign(
__entry->client_id = clnt->cl_clid;
),
TP_printk("client=" SUNRPC_TRACE_CLID_SPECIFIER, __entry->client_id)
);
#define DEFINE_RPC_CLNT_EVENT(name) \
DEFINE_EVENT(rpc_clnt_class, \
rpc_clnt_##name, \
TP_PROTO( \
const struct rpc_clnt *clnt \
), \
TP_ARGS(clnt))
DEFINE_RPC_CLNT_EVENT(free);
DEFINE_RPC_CLNT_EVENT(killall);
DEFINE_RPC_CLNT_EVENT(shutdown);
DEFINE_RPC_CLNT_EVENT(release);
DEFINE_RPC_CLNT_EVENT(replace_xprt);
DEFINE_RPC_CLNT_EVENT(replace_xprt_err);
TRACE_DEFINE_ENUM(RPC_XPRTSEC_NONE);
TRACE_DEFINE_ENUM(RPC_XPRTSEC_TLS_X509);
#define rpc_show_xprtsec_policy(policy) \
__print_symbolic(policy, \
{ RPC_XPRTSEC_NONE, "none" }, \
{ RPC_XPRTSEC_TLS_ANON, "tls-anon" }, \
{ RPC_XPRTSEC_TLS_X509, "tls-x509" })
#define rpc_show_create_flags(flags) \
__print_flags(flags, "|", \
{ RPC_CLNT_CREATE_HARDRTRY, "HARDRTRY" }, \
{ RPC_CLNT_CREATE_AUTOBIND, "AUTOBIND" }, \
{ RPC_CLNT_CREATE_NONPRIVPORT, "NONPRIVPORT" }, \
{ RPC_CLNT_CREATE_NOPING, "NOPING" }, \
{ RPC_CLNT_CREATE_DISCRTRY, "DISCRTRY" }, \
{ RPC_CLNT_CREATE_QUIET, "QUIET" }, \
{ RPC_CLNT_CREATE_INFINITE_SLOTS, \
"INFINITE_SLOTS" }, \
{ RPC_CLNT_CREATE_NO_IDLE_TIMEOUT, \
"NO_IDLE_TIMEOUT" }, \
{ RPC_CLNT_CREATE_NO_RETRANS_TIMEOUT, \
"NO_RETRANS_TIMEOUT" }, \
{ RPC_CLNT_CREATE_SOFTERR, "SOFTERR" }, \
{ RPC_CLNT_CREATE_REUSEPORT, "REUSEPORT" })
TRACE_EVENT(rpc_clnt_new,
TP_PROTO(
const struct rpc_clnt *clnt,
const struct rpc_xprt *xprt,
const struct rpc_create_args *args
),
TP_ARGS(clnt, xprt, args),
TP_STRUCT__entry(
__field(unsigned int, client_id)
__field(unsigned long, xprtsec)
__field(unsigned long, flags)
__string(program, clnt->cl_program->name)
__string(server, xprt->servername)
__string(addr, xprt->address_strings[RPC_DISPLAY_ADDR])
__string(port, xprt->address_strings[RPC_DISPLAY_PORT])
),
TP_fast_assign(
__entry->client_id = clnt->cl_clid;
__entry->xprtsec = args->xprtsec.policy;
__entry->flags = args->flags;
__assign_str(program, clnt->cl_program->name);
__assign_str(server, xprt->servername);
__assign_str(addr, xprt->address_strings[RPC_DISPLAY_ADDR]);
__assign_str(port, xprt->address_strings[RPC_DISPLAY_PORT]);
),
TP_printk("client=" SUNRPC_TRACE_CLID_SPECIFIER " peer=[%s]:%s"
" program=%s server=%s xprtsec=%s flags=%s",
__entry->client_id, __get_str(addr), __get_str(port),
__get_str(program), __get_str(server),
rpc_show_xprtsec_policy(__entry->xprtsec),
rpc_show_create_flags(__entry->flags)
)
);
TRACE_EVENT(rpc_clnt_new_err,
TP_PROTO(
const char *program,
const char *server,
int error
),
TP_ARGS(program, server, error),
TP_STRUCT__entry(
__field(int, error)
__string(program, program)
__string(server, server)
),
TP_fast_assign(
__entry->error = error;
__assign_str(program, program);
__assign_str(server, server);
),
TP_printk("program=%s server=%s error=%d",
__get_str(program), __get_str(server), __entry->error)
);
TRACE_EVENT(rpc_clnt_clone_err,
TP_PROTO(
const struct rpc_clnt *clnt,
int error
),
TP_ARGS(clnt, error),
TP_STRUCT__entry(
__field(unsigned int, client_id)
__field(int, error)
),
TP_fast_assign(
__entry->client_id = clnt->cl_clid;
__entry->error = error;
),
TP_printk("client=" SUNRPC_TRACE_CLID_SPECIFIER " error=%d",
__entry->client_id, __entry->error)
);
TRACE_DEFINE_ENUM(RPC_AUTH_OK);
TRACE_DEFINE_ENUM(RPC_AUTH_BADCRED);
TRACE_DEFINE_ENUM(RPC_AUTH_REJECTEDCRED);
TRACE_DEFINE_ENUM(RPC_AUTH_BADVERF);
TRACE_DEFINE_ENUM(RPC_AUTH_REJECTEDVERF);
TRACE_DEFINE_ENUM(RPC_AUTH_TOOWEAK);
TRACE_DEFINE_ENUM(RPCSEC_GSS_CREDPROBLEM);
TRACE_DEFINE_ENUM(RPCSEC_GSS_CTXPROBLEM);
#define rpc_show_auth_stat(status) \
__print_symbolic(status, \
{ RPC_AUTH_OK, "AUTH_OK" }, \
{ RPC_AUTH_BADCRED, "BADCRED" }, \
{ RPC_AUTH_REJECTEDCRED, "REJECTEDCRED" }, \
{ RPC_AUTH_BADVERF, "BADVERF" }, \
{ RPC_AUTH_REJECTEDVERF, "REJECTEDVERF" }, \
{ RPC_AUTH_TOOWEAK, "TOOWEAK" }, \
{ RPCSEC_GSS_CREDPROBLEM, "GSS_CREDPROBLEM" }, \
{ RPCSEC_GSS_CTXPROBLEM, "GSS_CTXPROBLEM" }) \
DECLARE_EVENT_CLASS(rpc_task_status,
TP_PROTO(const struct rpc_task *task),
TP_ARGS(task),
TP_STRUCT__entry(
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(int, status)
),
TP_fast_assign(
__entry->task_id = task->tk_pid;
__entry->client_id = task->tk_client->cl_clid;
__entry->status = task->tk_status;
),
TP_printk(SUNRPC_TRACE_TASK_SPECIFIER " status=%d",
__entry->task_id, __entry->client_id,
__entry->status)
);
#define DEFINE_RPC_STATUS_EVENT(name) \
DEFINE_EVENT(rpc_task_status, rpc_##name##_status, \
TP_PROTO( \
const struct rpc_task *task \
), \
TP_ARGS(task))
DEFINE_RPC_STATUS_EVENT(call);
DEFINE_RPC_STATUS_EVENT(connect);
DEFINE_RPC_STATUS_EVENT(timeout);
DEFINE_RPC_STATUS_EVENT(retry_refresh);
DEFINE_RPC_STATUS_EVENT(refresh);
TRACE_EVENT(rpc_request,
TP_PROTO(const struct rpc_task *task),
TP_ARGS(task),
TP_STRUCT__entry(
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(int, version)
__field(bool, async)
__string(progname, task->tk_client->cl_program->name)
__string(procname, rpc_proc_name(task))
),
TP_fast_assign(
__entry->task_id = task->tk_pid;
__entry->client_id = task->tk_client->cl_clid;
__entry->version = task->tk_client->cl_vers;
__entry->async = RPC_IS_ASYNC(task);
__assign_str(progname, task->tk_client->cl_program->name);
__assign_str(procname, rpc_proc_name(task));
),
TP_printk(SUNRPC_TRACE_TASK_SPECIFIER " %sv%d %s (%ssync)",
__entry->task_id, __entry->client_id,
__get_str(progname), __entry->version,
__get_str(procname), __entry->async ? "a": ""
)
);
#define rpc_show_task_flags(flags) \
__print_flags(flags, "|", \
{ RPC_TASK_ASYNC, "ASYNC" }, \
{ RPC_TASK_SWAPPER, "SWAPPER" }, \
{ RPC_TASK_MOVEABLE, "MOVEABLE" }, \
{ RPC_TASK_NULLCREDS, "NULLCREDS" }, \
{ RPC_CALL_MAJORSEEN, "MAJORSEEN" }, \
{ RPC_TASK_DYNAMIC, "DYNAMIC" }, \
{ RPC_TASK_NO_ROUND_ROBIN, "NO_ROUND_ROBIN" }, \
{ RPC_TASK_SOFT, "SOFT" }, \
{ RPC_TASK_SOFTCONN, "SOFTCONN" }, \
{ RPC_TASK_SENT, "SENT" }, \
{ RPC_TASK_TIMEOUT, "TIMEOUT" }, \
{ RPC_TASK_NOCONNECT, "NOCONNECT" }, \
{ RPC_TASK_NO_RETRANS_TIMEOUT, "NORTO" }, \
{ RPC_TASK_CRED_NOREF, "CRED_NOREF" })
#define rpc_show_runstate(flags) \
__print_flags(flags, "|", \
{ (1UL << RPC_TASK_RUNNING), "RUNNING" }, \
{ (1UL << RPC_TASK_QUEUED), "QUEUED" }, \
{ (1UL << RPC_TASK_ACTIVE), "ACTIVE" }, \
{ (1UL << RPC_TASK_NEED_XMIT), "NEED_XMIT" }, \
{ (1UL << RPC_TASK_NEED_RECV), "NEED_RECV" }, \
{ (1UL << RPC_TASK_MSG_PIN_WAIT), "MSG_PIN_WAIT" }, \
{ (1UL << RPC_TASK_SIGNALLED), "SIGNALLED" })
DECLARE_EVENT_CLASS(rpc_task_running,
TP_PROTO(const struct rpc_task *task, const void *action),
TP_ARGS(task, action),
TP_STRUCT__entry(
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(const void *, action)
__field(unsigned long, runstate)
__field(int, status)
__field(unsigned short, flags)
),
TP_fast_assign(
__entry->client_id = task->tk_client ?
task->tk_client->cl_clid : -1;
__entry->task_id = task->tk_pid;
__entry->action = action;
__entry->runstate = task->tk_runstate;
__entry->status = task->tk_status;
__entry->flags = task->tk_flags;
),
TP_printk(SUNRPC_TRACE_TASK_SPECIFIER
" flags=%s runstate=%s status=%d action=%ps",
__entry->task_id, __entry->client_id,
rpc_show_task_flags(__entry->flags),
rpc_show_runstate(__entry->runstate),
__entry->status,
__entry->action
)
);
#define DEFINE_RPC_RUNNING_EVENT(name) \
DEFINE_EVENT(rpc_task_running, rpc_task_##name, \
TP_PROTO( \
const struct rpc_task *task, \
const void *action \
), \
TP_ARGS(task, action))
DEFINE_RPC_RUNNING_EVENT(begin);
DEFINE_RPC_RUNNING_EVENT(run_action);
DEFINE_RPC_RUNNING_EVENT(sync_sleep);
DEFINE_RPC_RUNNING_EVENT(sync_wake);
DEFINE_RPC_RUNNING_EVENT(complete);
DEFINE_RPC_RUNNING_EVENT(timeout);
DEFINE_RPC_RUNNING_EVENT(signalled);
DEFINE_RPC_RUNNING_EVENT(end);
DEFINE_RPC_RUNNING_EVENT(call_done);
DECLARE_EVENT_CLASS(rpc_task_queued,
TP_PROTO(const struct rpc_task *task, const struct rpc_wait_queue *q),
TP_ARGS(task, q),
TP_STRUCT__entry(
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(unsigned long, timeout)
__field(unsigned long, runstate)
__field(int, status)
__field(unsigned short, flags)
__string(q_name, rpc_qname(q))
),
TP_fast_assign(
__entry->client_id = task->tk_client ?
task->tk_client->cl_clid : -1;
__entry->task_id = task->tk_pid;
__entry->timeout = rpc_task_timeout(task);
__entry->runstate = task->tk_runstate;
__entry->status = task->tk_status;
__entry->flags = task->tk_flags;
__assign_str(q_name, rpc_qname(q));
),
TP_printk(SUNRPC_TRACE_TASK_SPECIFIER
" flags=%s runstate=%s status=%d timeout=%lu queue=%s",
__entry->task_id, __entry->client_id,
rpc_show_task_flags(__entry->flags),
rpc_show_runstate(__entry->runstate),
__entry->status,
__entry->timeout,
__get_str(q_name)
)
);
#define DEFINE_RPC_QUEUED_EVENT(name) \
DEFINE_EVENT(rpc_task_queued, rpc_task_##name, \
TP_PROTO( \
const struct rpc_task *task, \
const struct rpc_wait_queue *q \
), \
TP_ARGS(task, q))
DEFINE_RPC_QUEUED_EVENT(sleep);
DEFINE_RPC_QUEUED_EVENT(wakeup);
DECLARE_EVENT_CLASS(rpc_failure,
TP_PROTO(const struct rpc_task *task),
TP_ARGS(task),
TP_STRUCT__entry(
__field(unsigned int, task_id)
__field(unsigned int, client_id)
),
TP_fast_assign(
__entry->task_id = task->tk_pid;
__entry->client_id = task->tk_client->cl_clid;
),
TP_printk(SUNRPC_TRACE_TASK_SPECIFIER,
__entry->task_id, __entry->client_id)
);
#define DEFINE_RPC_FAILURE(name) \
DEFINE_EVENT(rpc_failure, rpc_bad_##name, \
TP_PROTO( \
const struct rpc_task *task \
), \
TP_ARGS(task))
DEFINE_RPC_FAILURE(callhdr);
DEFINE_RPC_FAILURE(verifier);
DECLARE_EVENT_CLASS(rpc_reply_event,
TP_PROTO(
const struct rpc_task *task
),
TP_ARGS(task),
TP_STRUCT__entry(
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(u32, xid)
__string(progname, task->tk_client->cl_program->name)
__field(u32, version)
__string(procname, rpc_proc_name(task))
__string(servername, task->tk_xprt->servername)
),
TP_fast_assign(
__entry->task_id = task->tk_pid;
__entry->client_id = task->tk_client->cl_clid;
__entry->xid = be32_to_cpu(task->tk_rqstp->rq_xid);
__assign_str(progname, task->tk_client->cl_program->name);
__entry->version = task->tk_client->cl_vers;
__assign_str(procname, rpc_proc_name(task));
__assign_str(servername, task->tk_xprt->servername);
),
TP_printk(SUNRPC_TRACE_TASK_SPECIFIER
" server=%s xid=0x%08x %sv%d %s",
__entry->task_id, __entry->client_id, __get_str(servername),
__entry->xid, __get_str(progname), __entry->version,
__get_str(procname))
)
#define DEFINE_RPC_REPLY_EVENT(name) \
DEFINE_EVENT(rpc_reply_event, rpc__##name, \
TP_PROTO( \
const struct rpc_task *task \
), \
TP_ARGS(task))
DEFINE_RPC_REPLY_EVENT(prog_unavail);
DEFINE_RPC_REPLY_EVENT(prog_mismatch);
DEFINE_RPC_REPLY_EVENT(proc_unavail);
DEFINE_RPC_REPLY_EVENT(garbage_args);
DEFINE_RPC_REPLY_EVENT(unparsable);
DEFINE_RPC_REPLY_EVENT(mismatch);
DEFINE_RPC_REPLY_EVENT(stale_creds);
DEFINE_RPC_REPLY_EVENT(bad_creds);
DEFINE_RPC_REPLY_EVENT(auth_tooweak);
#define DEFINE_RPCB_ERROR_EVENT(name) \
DEFINE_EVENT(rpc_reply_event, rpcb_##name##_err, \
TP_PROTO( \
const struct rpc_task *task \
), \
TP_ARGS(task))
DEFINE_RPCB_ERROR_EVENT(prog_unavail);
DEFINE_RPCB_ERROR_EVENT(timeout);
DEFINE_RPCB_ERROR_EVENT(bind_version);
DEFINE_RPCB_ERROR_EVENT(unreachable);
DEFINE_RPCB_ERROR_EVENT(unrecognized);
TRACE_EVENT(rpc_buf_alloc,
TP_PROTO(
const struct rpc_task *task,
int status
),
TP_ARGS(task, status),
TP_STRUCT__entry(
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(size_t, callsize)
__field(size_t, recvsize)
__field(int, status)
),
TP_fast_assign(
__entry->task_id = task->tk_pid;
__entry->client_id = task->tk_client->cl_clid;
__entry->callsize = task->tk_rqstp->rq_callsize;
__entry->recvsize = task->tk_rqstp->rq_rcvsize;
__entry->status = status;
),
TP_printk(SUNRPC_TRACE_TASK_SPECIFIER
" callsize=%zu recvsize=%zu status=%d",
__entry->task_id, __entry->client_id,
__entry->callsize, __entry->recvsize, __entry->status
)
);
TRACE_EVENT(rpc_call_rpcerror,
TP_PROTO(
const struct rpc_task *task,
int tk_status,
int rpc_status
),
TP_ARGS(task, tk_status, rpc_status),
TP_STRUCT__entry(
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(int, tk_status)
__field(int, rpc_status)
),
TP_fast_assign(
__entry->client_id = task->tk_client->cl_clid;
__entry->task_id = task->tk_pid;
__entry->tk_status = tk_status;
__entry->rpc_status = rpc_status;
),
TP_printk(SUNRPC_TRACE_TASK_SPECIFIER
" tk_status=%d rpc_status=%d",
__entry->task_id, __entry->client_id,
__entry->tk_status, __entry->rpc_status)
);
TRACE_EVENT(rpc_stats_latency,
TP_PROTO(
const struct rpc_task *task,
ktime_t backlog,
ktime_t rtt,
ktime_t execute
),
TP_ARGS(task, backlog, rtt, execute),
TP_STRUCT__entry(
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(u32, xid)
__field(int, version)
__string(progname, task->tk_client->cl_program->name)
__string(procname, rpc_proc_name(task))
__field(unsigned long, backlog)
__field(unsigned long, rtt)
__field(unsigned long, execute)
__field(u32, xprt_id)
),
TP_fast_assign(
__entry->client_id = task->tk_client->cl_clid;
__entry->task_id = task->tk_pid;
__entry->xid = be32_to_cpu(task->tk_rqstp->rq_xid);
__entry->version = task->tk_client->cl_vers;
__assign_str(progname, task->tk_client->cl_program->name);
__assign_str(procname, rpc_proc_name(task));
__entry->backlog = ktime_to_us(backlog);
__entry->rtt = ktime_to_us(rtt);
__entry->execute = ktime_to_us(execute);
__entry->xprt_id = task->tk_xprt->id;
),
TP_printk(SUNRPC_TRACE_TASK_SPECIFIER
" xid=0x%08x %sv%d %s backlog=%lu rtt=%lu execute=%lu"
" xprt_id=%d",
__entry->task_id, __entry->client_id, __entry->xid,
__get_str(progname), __entry->version, __get_str(procname),
__entry->backlog, __entry->rtt, __entry->execute,
__entry->xprt_id)
);
TRACE_EVENT(rpc_xdr_overflow,
TP_PROTO(
const struct xdr_stream *xdr,
size_t requested
),
TP_ARGS(xdr, requested),
TP_STRUCT__entry(
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(int, version)
__field(size_t, requested)
__field(const void *, end)
__field(const void *, p)
__field(const void *, head_base)
__field(size_t, head_len)
__field(const void *, tail_base)
__field(size_t, tail_len)
__field(unsigned int, page_len)
__field(unsigned int, len)
__string(progname, xdr->rqst ?
xdr->rqst->rq_task->tk_client->cl_program->name : "unknown")
__string(procedure, xdr->rqst ?
xdr->rqst->rq_task->tk_msg.rpc_proc->p_name : "unknown")
),
TP_fast_assign(
if (xdr->rqst) {
const struct rpc_task *task = xdr->rqst->rq_task;
__entry->task_id = task->tk_pid;
__entry->client_id = task->tk_client->cl_clid;
__assign_str(progname,
task->tk_client->cl_program->name);
__entry->version = task->tk_client->cl_vers;
__assign_str(procedure, task->tk_msg.rpc_proc->p_name);
} else {
__entry->task_id = -1;
__entry->client_id = -1;
__assign_str(progname, "unknown");
__entry->version = 0;
__assign_str(procedure, "unknown");
}
__entry->requested = requested;
__entry->end = xdr->end;
__entry->p = xdr->p;
__entry->head_base = xdr->buf->head[0].iov_base,
__entry->head_len = xdr->buf->head[0].iov_len,
__entry->page_len = xdr->buf->page_len,
__entry->tail_base = xdr->buf->tail[0].iov_base,
__entry->tail_len = xdr->buf->tail[0].iov_len,
__entry->len = xdr->buf->len;
),
TP_printk(SUNRPC_TRACE_TASK_SPECIFIER
" %sv%d %s requested=%zu p=%p end=%p xdr=[%p,%zu]/%u/[%p,%zu]/%u\n",
__entry->task_id, __entry->client_id,
__get_str(progname), __entry->version, __get_str(procedure),
__entry->requested, __entry->p, __entry->end,
__entry->head_base, __entry->head_len,
__entry->page_len,
__entry->tail_base, __entry->tail_len,
__entry->len
)
);
TRACE_EVENT(rpc_xdr_alignment,
TP_PROTO(
const struct xdr_stream *xdr,
size_t offset,
unsigned int copied
),
TP_ARGS(xdr, offset, copied),
TP_STRUCT__entry(
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(int, version)
__field(size_t, offset)
__field(unsigned int, copied)
__field(const void *, head_base)
__field(size_t, head_len)
__field(const void *, tail_base)
__field(size_t, tail_len)
__field(unsigned int, page_len)
__field(unsigned int, len)
__string(progname,
xdr->rqst->rq_task->tk_client->cl_program->name)
__string(procedure,
xdr->rqst->rq_task->tk_msg.rpc_proc->p_name)
),
TP_fast_assign(
const struct rpc_task *task = xdr->rqst->rq_task;
__entry->task_id = task->tk_pid;
__entry->client_id = task->tk_client->cl_clid;
__assign_str(progname,
task->tk_client->cl_program->name);
__entry->version = task->tk_client->cl_vers;
__assign_str(procedure, task->tk_msg.rpc_proc->p_name);
__entry->offset = offset;
__entry->copied = copied;
__entry->head_base = xdr->buf->head[0].iov_base,
__entry->head_len = xdr->buf->head[0].iov_len,
__entry->page_len = xdr->buf->page_len,
__entry->tail_base = xdr->buf->tail[0].iov_base,
__entry->tail_len = xdr->buf->tail[0].iov_len,
__entry->len = xdr->buf->len;
),
TP_printk(SUNRPC_TRACE_TASK_SPECIFIER
" %sv%d %s offset=%zu copied=%u xdr=[%p,%zu]/%u/[%p,%zu]/%u\n",
__entry->task_id, __entry->client_id,
__get_str(progname), __entry->version, __get_str(procedure),
__entry->offset, __entry->copied,
__entry->head_base, __entry->head_len,
__entry->page_len,
__entry->tail_base, __entry->tail_len,
__entry->len
)
);
/*
* First define the enums in the below macros to be exported to userspace
* via TRACE_DEFINE_ENUM().
*/
#undef EM
#undef EMe
#define EM(a, b) TRACE_DEFINE_ENUM(a);
#define EMe(a, b) TRACE_DEFINE_ENUM(a);
#define RPC_SHOW_SOCKET \
EM( SS_FREE, "FREE" ) \
EM( SS_UNCONNECTED, "UNCONNECTED" ) \
EM( SS_CONNECTING, "CONNECTING" ) \
EM( SS_CONNECTED, "CONNECTED" ) \
EMe( SS_DISCONNECTING, "DISCONNECTING" )
#define rpc_show_socket_state(state) \
__print_symbolic(state, RPC_SHOW_SOCKET)
RPC_SHOW_SOCKET
#define RPC_SHOW_SOCK \
EM( TCP_ESTABLISHED, "ESTABLISHED" ) \
EM( TCP_SYN_SENT, "SYN_SENT" ) \
EM( TCP_SYN_RECV, "SYN_RECV" ) \
EM( TCP_FIN_WAIT1, "FIN_WAIT1" ) \
EM( TCP_FIN_WAIT2, "FIN_WAIT2" ) \
EM( TCP_TIME_WAIT, "TIME_WAIT" ) \
EM( TCP_CLOSE, "CLOSE" ) \
EM( TCP_CLOSE_WAIT, "CLOSE_WAIT" ) \
EM( TCP_LAST_ACK, "LAST_ACK" ) \
EM( TCP_LISTEN, "LISTEN" ) \
EMe( TCP_CLOSING, "CLOSING" )
#define rpc_show_sock_state(state) \
__print_symbolic(state, RPC_SHOW_SOCK)
RPC_SHOW_SOCK
#include <trace/events/net_probe_common.h>
/*
* Now redefine the EM() and EMe() macros to map the enums to the strings
* that will be printed in the output.
*/
#undef EM
#undef EMe
#define EM(a, b) {a, b},
#define EMe(a, b) {a, b}
DECLARE_EVENT_CLASS(xs_socket_event,
TP_PROTO(
struct rpc_xprt *xprt,
struct socket *socket
),
TP_ARGS(xprt, socket),
TP_STRUCT__entry(
__field(unsigned int, socket_state)
__field(unsigned int, sock_state)
__field(unsigned long long, ino)
__array(__u8, saddr, sizeof(struct sockaddr_in6))
__array(__u8, daddr, sizeof(struct sockaddr_in6))
),
TP_fast_assign(
struct inode *inode = SOCK_INODE(socket);
const struct sock *sk = socket->sk;
const struct inet_sock *inet = inet_sk(sk);
memset(__entry->saddr, 0, sizeof(struct sockaddr_in6));
memset(__entry->daddr, 0, sizeof(struct sockaddr_in6));
TP_STORE_ADDR_PORTS(__entry, inet, sk);
__entry->socket_state = socket->state;
__entry->sock_state = socket->sk->sk_state;
__entry->ino = (unsigned long long)inode->i_ino;
),
TP_printk(
"socket:[%llu] srcaddr=%pISpc dstaddr=%pISpc "
"state=%u (%s) sk_state=%u (%s)",
__entry->ino,
__entry->saddr,
__entry->daddr,
__entry->socket_state,
rpc_show_socket_state(__entry->socket_state),
__entry->sock_state,
rpc_show_sock_state(__entry->sock_state)
)
);
#define DEFINE_RPC_SOCKET_EVENT(name) \
DEFINE_EVENT(xs_socket_event, name, \
TP_PROTO( \
struct rpc_xprt *xprt, \
struct socket *socket \
), \
TP_ARGS(xprt, socket))
DECLARE_EVENT_CLASS(xs_socket_event_done,
TP_PROTO(
struct rpc_xprt *xprt,
struct socket *socket,
int error
),
TP_ARGS(xprt, socket, error),
TP_STRUCT__entry(
__field(int, error)
__field(unsigned int, socket_state)
__field(unsigned int, sock_state)
__field(unsigned long long, ino)
__array(__u8, saddr, sizeof(struct sockaddr_in6))
__array(__u8, daddr, sizeof(struct sockaddr_in6))
),
TP_fast_assign(
struct inode *inode = SOCK_INODE(socket);
const struct sock *sk = socket->sk;
const struct inet_sock *inet = inet_sk(sk);
memset(__entry->saddr, 0, sizeof(struct sockaddr_in6));
memset(__entry->daddr, 0, sizeof(struct sockaddr_in6));
TP_STORE_ADDR_PORTS(__entry, inet, sk);
__entry->socket_state = socket->state;
__entry->sock_state = socket->sk->sk_state;
__entry->ino = (unsigned long long)inode->i_ino;
__entry->error = error;
),
TP_printk(
"error=%d socket:[%llu] srcaddr=%pISpc dstaddr=%pISpc "
"state=%u (%s) sk_state=%u (%s)",
__entry->error,
__entry->ino,
__entry->saddr,
__entry->daddr,
__entry->socket_state,
rpc_show_socket_state(__entry->socket_state),
__entry->sock_state,
rpc_show_sock_state(__entry->sock_state)
)
);
#define DEFINE_RPC_SOCKET_EVENT_DONE(name) \
DEFINE_EVENT(xs_socket_event_done, name, \
TP_PROTO( \
struct rpc_xprt *xprt, \
struct socket *socket, \
int error \
), \
TP_ARGS(xprt, socket, error))
DEFINE_RPC_SOCKET_EVENT(rpc_socket_state_change);
DEFINE_RPC_SOCKET_EVENT_DONE(rpc_socket_connect);
DEFINE_RPC_SOCKET_EVENT_DONE(rpc_socket_error);
DEFINE_RPC_SOCKET_EVENT_DONE(rpc_socket_reset_connection);
DEFINE_RPC_SOCKET_EVENT(rpc_socket_close);
DEFINE_RPC_SOCKET_EVENT(rpc_socket_shutdown);
TRACE_EVENT(rpc_socket_nospace,
TP_PROTO(
const struct rpc_rqst *rqst,
const struct sock_xprt *transport
),
TP_ARGS(rqst, transport),
TP_STRUCT__entry(
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(unsigned int, total)
__field(unsigned int, remaining)
),
TP_fast_assign(
__entry->task_id = rqst->rq_task->tk_pid;
__entry->client_id = rqst->rq_task->tk_client->cl_clid;
__entry->total = rqst->rq_slen;
__entry->remaining = rqst->rq_slen - transport->xmit.offset;
),
TP_printk(SUNRPC_TRACE_TASK_SPECIFIER
" total=%u remaining=%u",
__entry->task_id, __entry->client_id,
__entry->total, __entry->remaining
)
);
#define rpc_show_xprt_state(x) \
__print_flags(x, "|", \
{ BIT(XPRT_LOCKED), "LOCKED" }, \
{ BIT(XPRT_CONNECTED), "CONNECTED" }, \
{ BIT(XPRT_CONNECTING), "CONNECTING" }, \
{ BIT(XPRT_CLOSE_WAIT), "CLOSE_WAIT" }, \
{ BIT(XPRT_BOUND), "BOUND" }, \
{ BIT(XPRT_BINDING), "BINDING" }, \
{ BIT(XPRT_CLOSING), "CLOSING" }, \
{ BIT(XPRT_OFFLINE), "OFFLINE" }, \
{ BIT(XPRT_REMOVE), "REMOVE" }, \
{ BIT(XPRT_CONGESTED), "CONGESTED" }, \
{ BIT(XPRT_CWND_WAIT), "CWND_WAIT" }, \
{ BIT(XPRT_WRITE_SPACE), "WRITE_SPACE" }, \
{ BIT(XPRT_SND_IS_COOKIE), "SND_IS_COOKIE" })
DECLARE_EVENT_CLASS(rpc_xprt_lifetime_class,
TP_PROTO(
const struct rpc_xprt *xprt
),
TP_ARGS(xprt),
TP_STRUCT__entry(
__field(unsigned long, state)
__string(addr, xprt->address_strings[RPC_DISPLAY_ADDR])
__string(port, xprt->address_strings[RPC_DISPLAY_PORT])
),
TP_fast_assign(
__entry->state = xprt->state;
__assign_str(addr, xprt->address_strings[RPC_DISPLAY_ADDR]);
__assign_str(port, xprt->address_strings[RPC_DISPLAY_PORT]);
),
TP_printk("peer=[%s]:%s state=%s",
__get_str(addr), __get_str(port),
rpc_show_xprt_state(__entry->state))
);
#define DEFINE_RPC_XPRT_LIFETIME_EVENT(name) \
DEFINE_EVENT(rpc_xprt_lifetime_class, \
xprt_##name, \
TP_PROTO( \
const struct rpc_xprt *xprt \
), \
TP_ARGS(xprt))
DEFINE_RPC_XPRT_LIFETIME_EVENT(create);
DEFINE_RPC_XPRT_LIFETIME_EVENT(connect);
DEFINE_RPC_XPRT_LIFETIME_EVENT(disconnect_auto);
DEFINE_RPC_XPRT_LIFETIME_EVENT(disconnect_done);
DEFINE_RPC_XPRT_LIFETIME_EVENT(disconnect_force);
DEFINE_RPC_XPRT_LIFETIME_EVENT(destroy);
DECLARE_EVENT_CLASS(rpc_xprt_event,
TP_PROTO(
const struct rpc_xprt *xprt,
__be32 xid,
int status
),
TP_ARGS(xprt, xid, status),
TP_STRUCT__entry(
__field(u32, xid)
__field(int, status)
__string(addr, xprt->address_strings[RPC_DISPLAY_ADDR])
__string(port, xprt->address_strings[RPC_DISPLAY_PORT])
),
TP_fast_assign(
__entry->xid = be32_to_cpu(xid);
__entry->status = status;
__assign_str(addr, xprt->address_strings[RPC_DISPLAY_ADDR]);
__assign_str(port, xprt->address_strings[RPC_DISPLAY_PORT]);
),
TP_printk("peer=[%s]:%s xid=0x%08x status=%d", __get_str(addr),
__get_str(port), __entry->xid,
__entry->status)
);
#define DEFINE_RPC_XPRT_EVENT(name) \
DEFINE_EVENT(rpc_xprt_event, xprt_##name, \
TP_PROTO( \
const struct rpc_xprt *xprt, \
__be32 xid, \
int status \
), \
TP_ARGS(xprt, xid, status))
DEFINE_RPC_XPRT_EVENT(timer);
DEFINE_RPC_XPRT_EVENT(lookup_rqst);
TRACE_EVENT(xprt_transmit,
TP_PROTO(
const struct rpc_rqst *rqst,
int status
),
TP_ARGS(rqst, status),
TP_STRUCT__entry(
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(u32, xid)
__field(u32, seqno)
__field(int, status)
),
TP_fast_assign(
__entry->task_id = rqst->rq_task->tk_pid;
fix null pointer deref in tracepoints in back channel Backchannel doesn't have the rq_task->tk_clientid pointer set. Otherwise can lead to the following oops: ocalhost login: [ 111.385319] BUG: unable to handle kernel NULL pointer dereference at 0000000000000004 [ 111.388073] #PF error: [normal kernel read fault] [ 111.389452] PGD 80000000290d8067 P4D 80000000290d8067 PUD 75f25067 PMD 0 [ 111.391224] Oops: 0000 [#1] SMP PTI [ 111.392151] CPU: 0 PID: 3533 Comm: NFSv4 callback Not tainted 5.0.0-rc7+ #1 [ 111.393787] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 111.396340] RIP: 0010:trace_event_raw_event_xprt_enq_xmit+0x6f/0xf0 [sunrpc] [ 111.397974] Code: 00 00 00 48 89 ee 48 89 e7 e8 bd 0a 85 d7 48 85 c0 74 4a 41 0f b7 94 24 e0 00 00 00 48 89 e7 89 50 08 49 8b 94 24 a8 00 00 00 <8b> 52 04 89 50 0c 49 8b 94 24 c0 00 00 00 8b 92 a8 00 00 00 0f ca [ 111.402215] RSP: 0018:ffffb98743263cf8 EFLAGS: 00010286 [ 111.403406] RAX: ffffa0890fc3bc88 RBX: 0000000000000003 RCX: 0000000000000000 [ 111.405057] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffb98743263cf8 [ 111.406656] RBP: ffffa0896f5368f0 R08: 0000000000000246 R09: 0000000000000000 [ 111.408437] R10: ffffe19b01c01500 R11: 0000000000000000 R12: ffffa08977d28a00 [ 111.410210] R13: 0000000000000004 R14: ffffa089315303f0 R15: ffffa08931530000 [ 111.411856] FS: 0000000000000000(0000) GS:ffffa0897bc00000(0000) knlGS:0000000000000000 [ 111.413699] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.415068] CR2: 0000000000000004 CR3: 000000002ac90004 CR4: 00000000001606f0 [ 111.416745] Call Trace: [ 111.417339] xprt_request_enqueue_transmit+0x2b6/0x4a0 [sunrpc] [ 111.418709] ? rpc_task_need_encode+0x40/0x40 [sunrpc] [ 111.419957] call_bc_transmit+0xd5/0x170 [sunrpc] [ 111.421067] __rpc_execute+0x7e/0x3f0 [sunrpc] [ 111.422177] rpc_run_bc_task+0x78/0xd0 [sunrpc] [ 111.423212] bc_svc_process+0x281/0x340 [sunrpc] [ 111.424325] nfs41_callback_svc+0x130/0x1c0 [nfsv4] [ 111.425430] ? remove_wait_queue+0x60/0x60 [ 111.426398] kthread+0xf5/0x130 [ 111.427155] ? nfs_callback_authenticate+0x50/0x50 [nfsv4] [ 111.428388] ? kthread_bind+0x10/0x10 [ 111.429270] ret_from_fork+0x1f/0x30 localhost login: [ 467.462259] BUG: unable to handle kernel NULL pointer dereference at 0000000000000004 [ 467.464411] #PF error: [normal kernel read fault] [ 467.465445] PGD 80000000728c1067 P4D 80000000728c1067 PUD 728c0067 PMD 0 [ 467.466980] Oops: 0000 [#1] SMP PTI [ 467.467759] CPU: 0 PID: 3517 Comm: NFSv4 callback Not tainted 5.0.0-rc7+ #1 [ 467.469393] Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 07/02/2015 [ 467.471840] RIP: 0010:trace_event_raw_event_xprt_transmit+0x7c/0xf0 [sunrpc] [ 467.473392] Code: f6 48 85 c0 74 4b 49 8b 94 24 98 00 00 00 48 89 e7 0f b7 92 e0 00 00 00 89 50 08 49 8b 94 24 98 00 00 00 48 8b 92 a8 00 00 00 <8b> 52 04 89 50 0c 41 8b 94 24 a8 00 00 00 0f ca 89 50 10 41 8b 94 [ 467.477605] RSP: 0018:ffffabe7434fbcd0 EFLAGS: 00010282 [ 467.478793] RAX: ffff99720fc3bce0 RBX: 0000000000000003 RCX: 0000000000000000 [ 467.480409] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffabe7434fbcd0 [ 467.482011] RBP: ffff99726f631948 R08: 0000000000000246 R09: 0000000000000000 [ 467.483591] R10: 0000000070000000 R11: 0000000000000000 R12: ffff997277dfcc00 [ 467.485226] R13: 0000000000000000 R14: 0000000000000000 R15: ffff99722fecdca8 [ 467.486830] FS: 0000000000000000(0000) GS:ffff99727bc00000(0000) knlGS:0000000000000000 [ 467.488596] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 467.489931] CR2: 0000000000000004 CR3: 00000000270e6006 CR4: 00000000001606f0 [ 467.491559] Call Trace: [ 467.492128] xprt_transmit+0x303/0x3f0 [sunrpc] [ 467.493143] ? rpc_task_need_encode+0x40/0x40 [sunrpc] [ 467.494328] call_bc_transmit+0x49/0x170 [sunrpc] [ 467.495379] __rpc_execute+0x7e/0x3f0 [sunrpc] [ 467.496451] rpc_run_bc_task+0x78/0xd0 [sunrpc] [ 467.497467] bc_svc_process+0x281/0x340 [sunrpc] [ 467.498507] nfs41_callback_svc+0x130/0x1c0 [nfsv4] [ 467.499751] ? remove_wait_queue+0x60/0x60 [ 467.500686] kthread+0xf5/0x130 [ 467.501438] ? nfs_callback_authenticate+0x50/0x50 [nfsv4] [ 467.502640] ? kthread_bind+0x10/0x10 [ 467.503454] ret_from_fork+0x1f/0x30 Signed-off-by: Olga Kornievskaia <kolga@netapp.com> Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2019-03-12 16:06:35 +00:00
__entry->client_id = rqst->rq_task->tk_client ?
rqst->rq_task->tk_client->cl_clid : -1;
__entry->xid = be32_to_cpu(rqst->rq_xid);
__entry->seqno = rqst->rq_seqno;
__entry->status = status;
),
TP_printk(SUNRPC_TRACE_TASK_SPECIFIER
" xid=0x%08x seqno=%u status=%d",
__entry->task_id, __entry->client_id, __entry->xid,
__entry->seqno, __entry->status)
);
TRACE_EVENT(xprt_retransmit,
TP_PROTO(
const struct rpc_rqst *rqst
),
TP_ARGS(rqst),
TP_STRUCT__entry(
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(u32, xid)
__field(int, ntrans)
__field(int, version)
__field(unsigned long, timeout)
__string(progname,
rqst->rq_task->tk_client->cl_program->name)
__string(procname, rpc_proc_name(rqst->rq_task))
),
TP_fast_assign(
struct rpc_task *task = rqst->rq_task;
__entry->task_id = task->tk_pid;
__entry->client_id = task->tk_client ?
task->tk_client->cl_clid : -1;
__entry->xid = be32_to_cpu(rqst->rq_xid);
__entry->ntrans = rqst->rq_ntrans;
__entry->timeout = task->tk_timeout;
__assign_str(progname,
task->tk_client->cl_program->name);
__entry->version = task->tk_client->cl_vers;
__assign_str(procname, rpc_proc_name(task));
),
TP_printk(SUNRPC_TRACE_TASK_SPECIFIER
" xid=0x%08x %sv%d %s ntrans=%d timeout=%lu",
__entry->task_id, __entry->client_id, __entry->xid,
__get_str(progname), __entry->version, __get_str(procname),
__entry->ntrans, __entry->timeout
)
);
TRACE_EVENT(xprt_ping,
TP_PROTO(const struct rpc_xprt *xprt, int status),
TP_ARGS(xprt, status),
TP_STRUCT__entry(
__field(int, status)
__string(addr, xprt->address_strings[RPC_DISPLAY_ADDR])
__string(port, xprt->address_strings[RPC_DISPLAY_PORT])
),
TP_fast_assign(
__entry->status = status;
__assign_str(addr, xprt->address_strings[RPC_DISPLAY_ADDR]);
__assign_str(port, xprt->address_strings[RPC_DISPLAY_PORT]);
),
TP_printk("peer=[%s]:%s status=%d",
__get_str(addr), __get_str(port), __entry->status)
);
DECLARE_EVENT_CLASS(xprt_writelock_event,
TP_PROTO(
const struct rpc_xprt *xprt, const struct rpc_task *task
),
TP_ARGS(xprt, task),
TP_STRUCT__entry(
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(unsigned int, snd_task_id)
),
TP_fast_assign(
if (task) {
__entry->task_id = task->tk_pid;
__entry->client_id = task->tk_client ?
task->tk_client->cl_clid : -1;
} else {
__entry->task_id = -1;
__entry->client_id = -1;
}
if (xprt->snd_task &&
!test_bit(XPRT_SND_IS_COOKIE, &xprt->state))
__entry->snd_task_id = xprt->snd_task->tk_pid;
else
__entry->snd_task_id = -1;
),
TP_printk(SUNRPC_TRACE_TASK_SPECIFIER
" snd_task:" SUNRPC_TRACE_PID_SPECIFIER,
__entry->task_id, __entry->client_id,
__entry->snd_task_id)
);
#define DEFINE_WRITELOCK_EVENT(name) \
DEFINE_EVENT(xprt_writelock_event, xprt_##name, \
TP_PROTO( \
const struct rpc_xprt *xprt, \
const struct rpc_task *task \
), \
TP_ARGS(xprt, task))
DEFINE_WRITELOCK_EVENT(reserve_xprt);
DEFINE_WRITELOCK_EVENT(release_xprt);
DECLARE_EVENT_CLASS(xprt_cong_event,
TP_PROTO(
const struct rpc_xprt *xprt, const struct rpc_task *task
),
TP_ARGS(xprt, task),
TP_STRUCT__entry(
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(unsigned int, snd_task_id)
__field(unsigned long, cong)
__field(unsigned long, cwnd)
__field(bool, wait)
),
TP_fast_assign(
if (task) {
__entry->task_id = task->tk_pid;
__entry->client_id = task->tk_client ?
task->tk_client->cl_clid : -1;
} else {
__entry->task_id = -1;
__entry->client_id = -1;
}
if (xprt->snd_task &&
!test_bit(XPRT_SND_IS_COOKIE, &xprt->state))
__entry->snd_task_id = xprt->snd_task->tk_pid;
else
__entry->snd_task_id = -1;
__entry->cong = xprt->cong;
__entry->cwnd = xprt->cwnd;
__entry->wait = test_bit(XPRT_CWND_WAIT, &xprt->state);
),
TP_printk(SUNRPC_TRACE_TASK_SPECIFIER
" snd_task:" SUNRPC_TRACE_PID_SPECIFIER
" cong=%lu cwnd=%lu%s",
__entry->task_id, __entry->client_id,
__entry->snd_task_id, __entry->cong, __entry->cwnd,
__entry->wait ? " (wait)" : "")
);
#define DEFINE_CONG_EVENT(name) \
DEFINE_EVENT(xprt_cong_event, xprt_##name, \
TP_PROTO( \
const struct rpc_xprt *xprt, \
const struct rpc_task *task \
), \
TP_ARGS(xprt, task))
DEFINE_CONG_EVENT(reserve_cong);
DEFINE_CONG_EVENT(release_cong);
DEFINE_CONG_EVENT(get_cong);
DEFINE_CONG_EVENT(put_cong);
TRACE_EVENT(xprt_reserve,
TP_PROTO(
const struct rpc_rqst *rqst
),
TP_ARGS(rqst),
TP_STRUCT__entry(
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(u32, xid)
),
TP_fast_assign(
__entry->task_id = rqst->rq_task->tk_pid;
__entry->client_id = rqst->rq_task->tk_client->cl_clid;
__entry->xid = be32_to_cpu(rqst->rq_xid);
),
TP_printk(SUNRPC_TRACE_TASK_SPECIFIER " xid=0x%08x",
__entry->task_id, __entry->client_id, __entry->xid
)
);
TRACE_EVENT(xs_data_ready,
TP_PROTO(
const struct rpc_xprt *xprt
),
TP_ARGS(xprt),
TP_STRUCT__entry(
__string(addr, xprt->address_strings[RPC_DISPLAY_ADDR])
__string(port, xprt->address_strings[RPC_DISPLAY_PORT])
),
TP_fast_assign(
__assign_str(addr, xprt->address_strings[RPC_DISPLAY_ADDR]);
__assign_str(port, xprt->address_strings[RPC_DISPLAY_PORT]);
),
TP_printk("peer=[%s]:%s", __get_str(addr), __get_str(port))
);
TRACE_EVENT(xs_stream_read_data,
TP_PROTO(struct rpc_xprt *xprt, ssize_t err, size_t total),
TP_ARGS(xprt, err, total),
TP_STRUCT__entry(
__field(ssize_t, err)
__field(size_t, total)
__string(addr, xprt ? xprt->address_strings[RPC_DISPLAY_ADDR] :
EVENT_NULL_STR)
__string(port, xprt ? xprt->address_strings[RPC_DISPLAY_PORT] :
EVENT_NULL_STR)
),
TP_fast_assign(
__entry->err = err;
__entry->total = total;
__assign_str(addr, xprt ?
xprt->address_strings[RPC_DISPLAY_ADDR] : EVENT_NULL_STR);
__assign_str(port, xprt ?
xprt->address_strings[RPC_DISPLAY_PORT] : EVENT_NULL_STR);
),
TP_printk("peer=[%s]:%s err=%zd total=%zu", __get_str(addr),
__get_str(port), __entry->err, __entry->total)
);
TRACE_EVENT(xs_stream_read_request,
TP_PROTO(struct sock_xprt *xs),
TP_ARGS(xs),
TP_STRUCT__entry(
__string(addr, xs->xprt.address_strings[RPC_DISPLAY_ADDR])
__string(port, xs->xprt.address_strings[RPC_DISPLAY_PORT])
__field(u32, xid)
__field(unsigned long, copied)
__field(unsigned int, reclen)
__field(unsigned int, offset)
),
TP_fast_assign(
__assign_str(addr, xs->xprt.address_strings[RPC_DISPLAY_ADDR]);
__assign_str(port, xs->xprt.address_strings[RPC_DISPLAY_PORT]);
__entry->xid = be32_to_cpu(xs->recv.xid);
__entry->copied = xs->recv.copied;
__entry->reclen = xs->recv.len;
__entry->offset = xs->recv.offset;
),
TP_printk("peer=[%s]:%s xid=0x%08x copied=%lu reclen=%u offset=%u",
__get_str(addr), __get_str(port), __entry->xid,
__entry->copied, __entry->reclen, __entry->offset)
);
TRACE_EVENT(rpcb_getport,
TP_PROTO(
const struct rpc_clnt *clnt,
const struct rpc_task *task,
unsigned int bind_version
),
TP_ARGS(clnt, task, bind_version),
TP_STRUCT__entry(
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(unsigned int, program)
__field(unsigned int, version)
__field(int, protocol)
__field(unsigned int, bind_version)
__string(servername, task->tk_xprt->servername)
),
TP_fast_assign(
__entry->task_id = task->tk_pid;
__entry->client_id = clnt->cl_clid;
__entry->program = clnt->cl_prog;
__entry->version = clnt->cl_vers;
__entry->protocol = task->tk_xprt->prot;
__entry->bind_version = bind_version;
__assign_str(servername, task->tk_xprt->servername);
),
TP_printk(SUNRPC_TRACE_TASK_SPECIFIER
" server=%s program=%u version=%u protocol=%d bind_version=%u",
__entry->task_id, __entry->client_id, __get_str(servername),
__entry->program, __entry->version, __entry->protocol,
__entry->bind_version
)
);
TRACE_EVENT(rpcb_setport,
TP_PROTO(
const struct rpc_task *task,
int status,
unsigned short port
),
TP_ARGS(task, status, port),
TP_STRUCT__entry(
__field(unsigned int, task_id)
__field(unsigned int, client_id)
__field(int, status)
__field(unsigned short, port)
),
TP_fast_assign(
__entry->task_id = task->tk_pid;
__entry->client_id = task->tk_client->cl_clid;
__entry->status = status;
__entry->port = port;
),
TP_printk(SUNRPC_TRACE_TASK_SPECIFIER " status=%d port=%u",
__entry->task_id, __entry->client_id,
__entry->status, __entry->port
)
);
TRACE_EVENT(pmap_register,
TP_PROTO(
u32 program,
u32 version,
int protocol,
unsigned short port
),
TP_ARGS(program, version, protocol, port),
TP_STRUCT__entry(
__field(unsigned int, program)
__field(unsigned int, version)
__field(int, protocol)
__field(unsigned int, port)
),
TP_fast_assign(
__entry->program = program;
__entry->version = version;
__entry->protocol = protocol;
__entry->port = port;
),
TP_printk("program=%u version=%u protocol=%d port=%u",
__entry->program, __entry->version,
__entry->protocol, __entry->port
)
);
TRACE_EVENT(rpcb_register,
TP_PROTO(
u32 program,
u32 version,
const char *addr,
const char *netid
),
TP_ARGS(program, version, addr, netid),
TP_STRUCT__entry(
__field(unsigned int, program)
__field(unsigned int, version)
__string(addr, addr)
__string(netid, netid)
),
TP_fast_assign(
__entry->program = program;
__entry->version = version;
__assign_str(addr, addr);
__assign_str(netid, netid);
),
TP_printk("program=%u version=%u addr=%s netid=%s",
__entry->program, __entry->version,
__get_str(addr), __get_str(netid)
)
);
TRACE_EVENT(rpcb_unregister,
TP_PROTO(
u32 program,
u32 version,
const char *netid
),
TP_ARGS(program, version, netid),
TP_STRUCT__entry(
__field(unsigned int, program)
__field(unsigned int, version)
__string(netid, netid)
),
TP_fast_assign(
__entry->program = program;
__entry->version = version;
__assign_str(netid, netid);
),
TP_printk("program=%u version=%u netid=%s",
__entry->program, __entry->version, __get_str(netid)
)
);
/**
** RPC-over-TLS tracepoints
**/
DECLARE_EVENT_CLASS(rpc_tls_class,
TP_PROTO(
const struct rpc_clnt *clnt,
const struct rpc_xprt *xprt
),
TP_ARGS(clnt, xprt),
TP_STRUCT__entry(
__field(unsigned long, requested_policy)
__field(u32, version)
__string(servername, xprt->servername)
__string(progname, clnt->cl_program->name)
),
TP_fast_assign(
__entry->requested_policy = clnt->cl_xprtsec.policy;
__entry->version = clnt->cl_vers;
__assign_str(servername, xprt->servername);
__assign_str(progname, clnt->cl_program->name)
),
TP_printk("server=%s %sv%u requested_policy=%s",
__get_str(servername), __get_str(progname), __entry->version,
rpc_show_xprtsec_policy(__entry->requested_policy)
)
);
#define DEFINE_RPC_TLS_EVENT(name) \
DEFINE_EVENT(rpc_tls_class, rpc_tls_##name, \
TP_PROTO( \
const struct rpc_clnt *clnt, \
const struct rpc_xprt *xprt \
), \
TP_ARGS(clnt, xprt))
DEFINE_RPC_TLS_EVENT(unavailable);
DEFINE_RPC_TLS_EVENT(not_started);
/* Record an xdr_buf containing a fully-formed RPC message */
DECLARE_EVENT_CLASS(svc_xdr_msg_class,
TP_PROTO(
const struct xdr_buf *xdr
),
TP_ARGS(xdr),
TP_STRUCT__entry(
__field(u32, xid)
__field(const void *, head_base)
__field(size_t, head_len)
__field(const void *, tail_base)
__field(size_t, tail_len)
__field(unsigned int, page_len)
__field(unsigned int, msg_len)
),
TP_fast_assign(
__be32 *p = (__be32 *)xdr->head[0].iov_base;
__entry->xid = be32_to_cpu(*p);
__entry->head_base = p;
__entry->head_len = xdr->head[0].iov_len;
__entry->tail_base = xdr->tail[0].iov_base;
__entry->tail_len = xdr->tail[0].iov_len;
__entry->page_len = xdr->page_len;
__entry->msg_len = xdr->len;
),
TP_printk("xid=0x%08x head=[%p,%zu] page=%u tail=[%p,%zu] len=%u",
__entry->xid,
__entry->head_base, __entry->head_len, __entry->page_len,
__entry->tail_base, __entry->tail_len, __entry->msg_len
)
);
#define DEFINE_SVCXDRMSG_EVENT(name) \
DEFINE_EVENT(svc_xdr_msg_class, \
svc_xdr_##name, \
TP_PROTO( \
const struct xdr_buf *xdr \
), \
TP_ARGS(xdr))
DEFINE_SVCXDRMSG_EVENT(recvfrom);
/* Record an xdr_buf containing arbitrary data, tagged with an XID */
DECLARE_EVENT_CLASS(svc_xdr_buf_class,
TP_PROTO(
__be32 xid,
const struct xdr_buf *xdr
),
TP_ARGS(xid, xdr),
TP_STRUCT__entry(
__field(u32, xid)
__field(const void *, head_base)
__field(size_t, head_len)
__field(const void *, tail_base)
__field(size_t, tail_len)
__field(unsigned int, page_base)
__field(unsigned int, page_len)
__field(unsigned int, msg_len)
),
TP_fast_assign(
__entry->xid = be32_to_cpu(xid);
__entry->head_base = xdr->head[0].iov_base;
__entry->head_len = xdr->head[0].iov_len;
__entry->tail_base = xdr->tail[0].iov_base;
__entry->tail_len = xdr->tail[0].iov_len;
__entry->page_base = xdr->page_base;
__entry->page_len = xdr->page_len;
__entry->msg_len = xdr->len;
),
TP_printk("xid=0x%08x head=[%p,%zu] page=%u(%u) tail=[%p,%zu] len=%u",
__entry->xid,
__entry->head_base, __entry->head_len,
__entry->page_len, __entry->page_base,
__entry->tail_base, __entry->tail_len,
__entry->msg_len
)
);
#define DEFINE_SVCXDRBUF_EVENT(name) \
DEFINE_EVENT(svc_xdr_buf_class, \
svc_xdr_##name, \
TP_PROTO( \
__be32 xid, \
const struct xdr_buf *xdr \
), \
TP_ARGS(xid, xdr))
DEFINE_SVCXDRBUF_EVENT(sendto);
/*
* from include/linux/sunrpc/svc.h
*/
#define SVC_RQST_FLAG_LIST \
svc_rqst_flag(SECURE) \
svc_rqst_flag(LOCAL) \
svc_rqst_flag(USEDEFERRAL) \
svc_rqst_flag(DROPME) \
svc_rqst_flag(VICTIM) \
svc_rqst_flag_end(DATA)
#undef svc_rqst_flag
#undef svc_rqst_flag_end
#define svc_rqst_flag(x) TRACE_DEFINE_ENUM(RQ_##x);
#define svc_rqst_flag_end(x) TRACE_DEFINE_ENUM(RQ_##x);
SVC_RQST_FLAG_LIST
#undef svc_rqst_flag
#undef svc_rqst_flag_end
#define svc_rqst_flag(x) { BIT(RQ_##x), #x },
#define svc_rqst_flag_end(x) { BIT(RQ_##x), #x }
#define show_rqstp_flags(flags) \
__print_flags(flags, "|", SVC_RQST_FLAG_LIST)
TRACE_DEFINE_ENUM(SVC_GARBAGE);
TRACE_DEFINE_ENUM(SVC_SYSERR);
TRACE_DEFINE_ENUM(SVC_VALID);
TRACE_DEFINE_ENUM(SVC_NEGATIVE);
TRACE_DEFINE_ENUM(SVC_OK);
TRACE_DEFINE_ENUM(SVC_DROP);
TRACE_DEFINE_ENUM(SVC_CLOSE);
TRACE_DEFINE_ENUM(SVC_DENIED);
TRACE_DEFINE_ENUM(SVC_PENDING);
TRACE_DEFINE_ENUM(SVC_COMPLETE);
#define show_svc_auth_status(status) \
__print_symbolic(status, \
{ SVC_GARBAGE, "SVC_GARBAGE" }, \
{ SVC_SYSERR, "SVC_SYSERR" }, \
{ SVC_VALID, "SVC_VALID" }, \
{ SVC_NEGATIVE, "SVC_NEGATIVE" }, \
{ SVC_OK, "SVC_OK" }, \
{ SVC_DROP, "SVC_DROP" }, \
{ SVC_CLOSE, "SVC_CLOSE" }, \
{ SVC_DENIED, "SVC_DENIED" }, \
{ SVC_PENDING, "SVC_PENDING" }, \
{ SVC_COMPLETE, "SVC_COMPLETE" })
#define SVC_RQST_ENDPOINT_FIELDS(r) \
__sockaddr(server, (r)->rq_xprt->xpt_locallen) \
__sockaddr(client, (r)->rq_xprt->xpt_remotelen) \
__field(unsigned int, netns_ino) \
__field(u32, xid)
#define SVC_RQST_ENDPOINT_ASSIGNMENTS(r) \
do { \
struct svc_xprt *xprt = (r)->rq_xprt; \
__assign_sockaddr(server, &xprt->xpt_local, \
xprt->xpt_locallen); \
__assign_sockaddr(client, &xprt->xpt_remote, \
xprt->xpt_remotelen); \
__entry->netns_ino = xprt->xpt_net->ns.inum; \
__entry->xid = be32_to_cpu((r)->rq_xid); \
} while (0)
#define SVC_RQST_ENDPOINT_FORMAT \
"xid=0x%08x server=%pISpc client=%pISpc"
#define SVC_RQST_ENDPOINT_VARARGS \
__entry->xid, __get_sockaddr(server), __get_sockaddr(client)
TRACE_EVENT_CONDITION(svc_authenticate,
TP_PROTO(
const struct svc_rqst *rqst,
enum svc_auth_status auth_res
),
TP_ARGS(rqst, auth_res),
TP_CONDITION(auth_res != SVC_OK && auth_res != SVC_COMPLETE),
TP_STRUCT__entry(
SVC_RQST_ENDPOINT_FIELDS(rqst)
__field(unsigned long, svc_status)
__field(unsigned long, auth_stat)
),
TP_fast_assign(
SVC_RQST_ENDPOINT_ASSIGNMENTS(rqst);
__entry->svc_status = auth_res;
__entry->auth_stat = be32_to_cpu(rqst->rq_auth_stat);
),
TP_printk(SVC_RQST_ENDPOINT_FORMAT
" auth_res=%s auth_stat=%s",
SVC_RQST_ENDPOINT_VARARGS,
show_svc_auth_status(__entry->svc_status),
rpc_show_auth_stat(__entry->auth_stat))
);
TRACE_EVENT(svc_process,
TP_PROTO(const struct svc_rqst *rqst, const char *name),
TP_ARGS(rqst, name),
TP_STRUCT__entry(
__field(u32, xid)
__field(u32, vers)
__field(u32, proc)
__string(service, name)
__string(procedure, svc_proc_name(rqst))
sunrpc: use-after-free in svc_process_common() if node have NFSv41+ mounts inside several net namespaces it can lead to use-after-free in svc_process_common() svc_process_common() /* Setup reply header */ rqstp->rq_xprt->xpt_ops->xpo_prep_reply_hdr(rqstp); <<< HERE svc_process_common() can use incorrect rqstp->rq_xprt, its caller function bc_svc_process() takes it from serv->sv_bc_xprt. The problem is that serv is global structure but sv_bc_xprt is assigned per-netnamespace. According to Trond, the whole "let's set up rqstp->rq_xprt for the back channel" is nothing but a giant hack in order to work around the fact that svc_process_common() uses it to find the xpt_ops, and perform a couple of (meaningless for the back channel) tests of xpt_flags. All we really need in svc_process_common() is to be able to run rqstp->rq_xprt->xpt_ops->xpo_prep_reply_hdr() Bruce J Fields points that this xpo_prep_reply_hdr() call is an awfully roundabout way just to do "svc_putnl(resv, 0);" in the tcp case. This patch does not initialiuze rqstp->rq_xprt in bc_svc_process(), now it calls svc_process_common() with rqstp->rq_xprt = NULL. To adjust reply header svc_process_common() just check rqstp->rq_prot and calls svc_tcp_prep_reply_hdr() for tcp case. To handle rqstp->rq_xprt = NULL case in functions called from svc_process_common() patch intruduces net namespace pointer svc_rqst->rq_bc_net and adjust SVC_NET() definition. Some other function was also adopted to properly handle described case. Signed-off-by: Vasily Averin <vvs@virtuozzo.com> Cc: stable@vger.kernel.org Fixes: 23c20ecd4475 ("NFS: callback up - users counting cleanup") Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2018-12-24 11:44:52 +00:00
__string(addr, rqst->rq_xprt ?
rqst->rq_xprt->xpt_remotebuf : EVENT_NULL_STR)
),
TP_fast_assign(
__entry->xid = be32_to_cpu(rqst->rq_xid);
__entry->vers = rqst->rq_vers;
__entry->proc = rqst->rq_proc;
__assign_str(service, name);
__assign_str(procedure, svc_proc_name(rqst));
sunrpc: use-after-free in svc_process_common() if node have NFSv41+ mounts inside several net namespaces it can lead to use-after-free in svc_process_common() svc_process_common() /* Setup reply header */ rqstp->rq_xprt->xpt_ops->xpo_prep_reply_hdr(rqstp); <<< HERE svc_process_common() can use incorrect rqstp->rq_xprt, its caller function bc_svc_process() takes it from serv->sv_bc_xprt. The problem is that serv is global structure but sv_bc_xprt is assigned per-netnamespace. According to Trond, the whole "let's set up rqstp->rq_xprt for the back channel" is nothing but a giant hack in order to work around the fact that svc_process_common() uses it to find the xpt_ops, and perform a couple of (meaningless for the back channel) tests of xpt_flags. All we really need in svc_process_common() is to be able to run rqstp->rq_xprt->xpt_ops->xpo_prep_reply_hdr() Bruce J Fields points that this xpo_prep_reply_hdr() call is an awfully roundabout way just to do "svc_putnl(resv, 0);" in the tcp case. This patch does not initialiuze rqstp->rq_xprt in bc_svc_process(), now it calls svc_process_common() with rqstp->rq_xprt = NULL. To adjust reply header svc_process_common() just check rqstp->rq_prot and calls svc_tcp_prep_reply_hdr() for tcp case. To handle rqstp->rq_xprt = NULL case in functions called from svc_process_common() patch intruduces net namespace pointer svc_rqst->rq_bc_net and adjust SVC_NET() definition. Some other function was also adopted to properly handle described case. Signed-off-by: Vasily Averin <vvs@virtuozzo.com> Cc: stable@vger.kernel.org Fixes: 23c20ecd4475 ("NFS: callback up - users counting cleanup") Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2018-12-24 11:44:52 +00:00
__assign_str(addr, rqst->rq_xprt ?
rqst->rq_xprt->xpt_remotebuf : EVENT_NULL_STR);
),
TP_printk("addr=%s xid=0x%08x service=%s vers=%u proc=%s",
__get_str(addr), __entry->xid,
__get_str(service), __entry->vers,
__get_str(procedure)
)
);
DECLARE_EVENT_CLASS(svc_rqst_event,
TP_PROTO(
const struct svc_rqst *rqst
),
TP_ARGS(rqst),
TP_STRUCT__entry(
SVC_RQST_ENDPOINT_FIELDS(rqst)
__field(unsigned long, flags)
),
TP_fast_assign(
SVC_RQST_ENDPOINT_ASSIGNMENTS(rqst);
__entry->flags = rqst->rq_flags;
),
TP_printk(SVC_RQST_ENDPOINT_FORMAT " flags=%s",
SVC_RQST_ENDPOINT_VARARGS,
show_rqstp_flags(__entry->flags))
);
#define DEFINE_SVC_RQST_EVENT(name) \
DEFINE_EVENT(svc_rqst_event, svc_##name, \
TP_PROTO( \
const struct svc_rqst *rqst \
), \
TP_ARGS(rqst))
DEFINE_SVC_RQST_EVENT(defer);
DEFINE_SVC_RQST_EVENT(drop);
DECLARE_EVENT_CLASS(svc_rqst_status,
TP_PROTO(
const struct svc_rqst *rqst,
int status
),
TP_ARGS(rqst, status),
TP_STRUCT__entry(
SVC_RQST_ENDPOINT_FIELDS(rqst)
__field(int, status)
__field(unsigned long, flags)
),
TP_fast_assign(
SVC_RQST_ENDPOINT_ASSIGNMENTS(rqst);
__entry->status = status;
__entry->flags = rqst->rq_flags;
),
TP_printk(SVC_RQST_ENDPOINT_FORMAT " status=%d flags=%s",
SVC_RQST_ENDPOINT_VARARGS,
__entry->status, show_rqstp_flags(__entry->flags))
);
DEFINE_EVENT(svc_rqst_status, svc_send,
TP_PROTO(const struct svc_rqst *rqst, int status),
TP_ARGS(rqst, status));
TRACE_EVENT(svc_replace_page_err,
TP_PROTO(const struct svc_rqst *rqst),
TP_ARGS(rqst),
TP_STRUCT__entry(
SVC_RQST_ENDPOINT_FIELDS(rqst)
__field(const void *, begin)
__field(const void *, respages)
__field(const void *, nextpage)
),
TP_fast_assign(
SVC_RQST_ENDPOINT_ASSIGNMENTS(rqst);
__entry->begin = rqst->rq_pages;
__entry->respages = rqst->rq_respages;
__entry->nextpage = rqst->rq_next_page;
),
TP_printk(SVC_RQST_ENDPOINT_FORMAT " begin=%p respages=%p nextpage=%p",
SVC_RQST_ENDPOINT_VARARGS,
__entry->begin, __entry->respages, __entry->nextpage)
);
TRACE_EVENT(svc_stats_latency,
TP_PROTO(
const struct svc_rqst *rqst
),
TP_ARGS(rqst),
TP_STRUCT__entry(
SVC_RQST_ENDPOINT_FIELDS(rqst)
__field(unsigned long, execute)
__string(procedure, svc_proc_name(rqst))
),
TP_fast_assign(
SVC_RQST_ENDPOINT_ASSIGNMENTS(rqst);
__entry->execute = ktime_to_us(ktime_sub(ktime_get(),
rqst->rq_stime));
__assign_str(procedure, svc_proc_name(rqst));
),
TP_printk(SVC_RQST_ENDPOINT_FORMAT " proc=%s execute-us=%lu",
SVC_RQST_ENDPOINT_VARARGS,
__get_str(procedure), __entry->execute)
);
/*
* from include/linux/sunrpc/svc_xprt.h
*/
#define SVC_XPRT_FLAG_LIST \
svc_xprt_flag(BUSY) \
svc_xprt_flag(CONN) \
svc_xprt_flag(CLOSE) \
svc_xprt_flag(DATA) \
svc_xprt_flag(TEMP) \
svc_xprt_flag(DEAD) \
svc_xprt_flag(CHNGBUF) \
svc_xprt_flag(DEFERRED) \
svc_xprt_flag(OLD) \
svc_xprt_flag(LISTENER) \
svc_xprt_flag(CACHE_AUTH) \
svc_xprt_flag(LOCAL) \
svc_xprt_flag(KILL_TEMP) \
svc_xprt_flag(CONG_CTRL) \
svc_xprt_flag(HANDSHAKE) \
svc_xprt_flag(TLS_SESSION) \
svc_xprt_flag_end(PEER_AUTH)
#undef svc_xprt_flag
#undef svc_xprt_flag_end
#define svc_xprt_flag(x) TRACE_DEFINE_ENUM(XPT_##x);
#define svc_xprt_flag_end(x) TRACE_DEFINE_ENUM(XPT_##x);
SVC_XPRT_FLAG_LIST
#undef svc_xprt_flag
#undef svc_xprt_flag_end
#define svc_xprt_flag(x) { BIT(XPT_##x), #x },
#define svc_xprt_flag_end(x) { BIT(XPT_##x), #x }
#define show_svc_xprt_flags(flags) \
__print_flags(flags, "|", SVC_XPRT_FLAG_LIST)
TRACE_EVENT(svc_xprt_create_err,
TP_PROTO(
const char *program,
const char *protocol,
struct sockaddr *sap,
size_t salen,
const struct svc_xprt *xprt
),
TP_ARGS(program, protocol, sap, salen, xprt),
TP_STRUCT__entry(
__field(long, error)
__string(program, program)
__string(protocol, protocol)
__sockaddr(addr, salen)
),
TP_fast_assign(
__entry->error = PTR_ERR(xprt);
__assign_str(program, program);
__assign_str(protocol, protocol);
__assign_sockaddr(addr, sap, salen);
),
TP_printk("addr=%pISpc program=%s protocol=%s error=%ld",
__get_sockaddr(addr), __get_str(program), __get_str(protocol),
__entry->error)
);
#define SVC_XPRT_ENDPOINT_FIELDS(x) \
__sockaddr(server, (x)->xpt_locallen) \
__sockaddr(client, (x)->xpt_remotelen) \
__field(unsigned long, flags) \
__field(unsigned int, netns_ino)
#define SVC_XPRT_ENDPOINT_ASSIGNMENTS(x) \
do { \
__assign_sockaddr(server, &(x)->xpt_local, \
(x)->xpt_locallen); \
__assign_sockaddr(client, &(x)->xpt_remote, \
(x)->xpt_remotelen); \
__entry->flags = (x)->xpt_flags; \
__entry->netns_ino = (x)->xpt_net->ns.inum; \
} while (0)
#define SVC_XPRT_ENDPOINT_FORMAT \
"server=%pISpc client=%pISpc flags=%s"
#define SVC_XPRT_ENDPOINT_VARARGS \
__get_sockaddr(server), __get_sockaddr(client), \
show_svc_xprt_flags(__entry->flags)
TRACE_EVENT(svc_xprt_enqueue,
TP_PROTO(
const struct svc_xprt *xprt,
unsigned long flags
),
TP_ARGS(xprt, flags),
TP_STRUCT__entry(
SVC_XPRT_ENDPOINT_FIELDS(xprt)
),
TP_fast_assign(
__assign_sockaddr(server, &xprt->xpt_local,
xprt->xpt_locallen);
__assign_sockaddr(client, &xprt->xpt_remote,
xprt->xpt_remotelen);
__entry->flags = flags;
__entry->netns_ino = xprt->xpt_net->ns.inum;
),
TP_printk(SVC_XPRT_ENDPOINT_FORMAT, SVC_XPRT_ENDPOINT_VARARGS)
);
TRACE_EVENT(svc_xprt_dequeue,
TP_PROTO(
const struct svc_rqst *rqst
),
TP_ARGS(rqst),
TP_STRUCT__entry(
SVC_XPRT_ENDPOINT_FIELDS(rqst->rq_xprt)
__field(unsigned long, wakeup)
),
TP_fast_assign(
SVC_XPRT_ENDPOINT_ASSIGNMENTS(rqst->rq_xprt);
__entry->wakeup = ktime_to_us(ktime_sub(ktime_get(),
rqst->rq_qtime));
),
TP_printk(SVC_XPRT_ENDPOINT_FORMAT " wakeup-us=%lu",
SVC_XPRT_ENDPOINT_VARARGS, __entry->wakeup)
);
DECLARE_EVENT_CLASS(svc_xprt_event,
TP_PROTO(
const struct svc_xprt *xprt
),
TP_ARGS(xprt),
TP_STRUCT__entry(
SVC_XPRT_ENDPOINT_FIELDS(xprt)
),
TP_fast_assign(
SVC_XPRT_ENDPOINT_ASSIGNMENTS(xprt);
),
TP_printk(SVC_XPRT_ENDPOINT_FORMAT, SVC_XPRT_ENDPOINT_VARARGS)
);
#define DEFINE_SVC_XPRT_EVENT(name) \
DEFINE_EVENT(svc_xprt_event, svc_xprt_##name, \
TP_PROTO( \
const struct svc_xprt *xprt \
), \
TP_ARGS(xprt))
DEFINE_SVC_XPRT_EVENT(no_write_space);
DEFINE_SVC_XPRT_EVENT(close);
DEFINE_SVC_XPRT_EVENT(detach);
DEFINE_SVC_XPRT_EVENT(free);
#define DEFINE_SVC_TLS_EVENT(name) \
DEFINE_EVENT(svc_xprt_event, svc_tls_##name, \
TP_PROTO(const struct svc_xprt *xprt), \
TP_ARGS(xprt))
DEFINE_SVC_TLS_EVENT(start);
DEFINE_SVC_TLS_EVENT(upcall);
DEFINE_SVC_TLS_EVENT(unavailable);
DEFINE_SVC_TLS_EVENT(not_started);
DEFINE_SVC_TLS_EVENT(timed_out);
TRACE_EVENT(svc_xprt_accept,
TP_PROTO(
const struct svc_xprt *xprt,
const char *service
),
TP_ARGS(xprt, service),
TP_STRUCT__entry(
SVC_XPRT_ENDPOINT_FIELDS(xprt)
__string(protocol, xprt->xpt_class->xcl_name)
__string(service, service)
),
TP_fast_assign(
SVC_XPRT_ENDPOINT_ASSIGNMENTS(xprt);
__assign_str(protocol, xprt->xpt_class->xcl_name);
__assign_str(service, service);
),
TP_printk(SVC_XPRT_ENDPOINT_FORMAT " protocol=%s service=%s",
SVC_XPRT_ENDPOINT_VARARGS,
__get_str(protocol), __get_str(service)
)
);
TRACE_EVENT(svc_wake_up,
TP_PROTO(int pid),
TP_ARGS(pid),
TP_STRUCT__entry(
__field(int, pid)
),
TP_fast_assign(
__entry->pid = pid;
),
TP_printk("pid=%d", __entry->pid)
);
TRACE_EVENT(svc_alloc_arg_err,
TP_PROTO(
unsigned int requested,
unsigned int allocated
),
TP_ARGS(requested, allocated),
TP_STRUCT__entry(
__field(unsigned int, requested)
__field(unsigned int, allocated)
),
TP_fast_assign(
__entry->requested = requested;
__entry->allocated = allocated;
),
TP_printk("requested=%u allocated=%u",
__entry->requested, __entry->allocated)
);
DECLARE_EVENT_CLASS(svc_deferred_event,
TP_PROTO(
const struct svc_deferred_req *dr
),
TP_ARGS(dr),
TP_STRUCT__entry(
__field(const void *, dr)
__field(u32, xid)
__sockaddr(addr, dr->addrlen)
),
TP_fast_assign(
__entry->dr = dr;
__entry->xid = be32_to_cpu(*(__be32 *)dr->args);
__assign_sockaddr(addr, &dr->addr, dr->addrlen);
),
TP_printk("addr=%pISpc dr=%p xid=0x%08x", __get_sockaddr(addr),
__entry->dr, __entry->xid)
);
#define DEFINE_SVC_DEFERRED_EVENT(name) \
DEFINE_EVENT(svc_deferred_event, svc_defer_##name, \
TP_PROTO( \
const struct svc_deferred_req *dr \
), \
TP_ARGS(dr))
DEFINE_SVC_DEFERRED_EVENT(drop);
DEFINE_SVC_DEFERRED_EVENT(queue);
DEFINE_SVC_DEFERRED_EVENT(recv);
DECLARE_EVENT_CLASS(svcsock_lifetime_class,
TP_PROTO(
const void *svsk,
const struct socket *socket
),
TP_ARGS(svsk, socket),
TP_STRUCT__entry(
__field(unsigned int, netns_ino)
__field(const void *, svsk)
__field(const void *, sk)
__field(unsigned long, type)
__field(unsigned long, family)
__field(unsigned long, state)
),
TP_fast_assign(
struct sock *sk = socket->sk;
__entry->netns_ino = sock_net(sk)->ns.inum;
__entry->svsk = svsk;
__entry->sk = sk;
__entry->type = socket->type;
__entry->family = sk->sk_family;
__entry->state = sk->sk_state;
),
TP_printk("svsk=%p type=%s family=%s%s",
__entry->svsk, show_socket_type(__entry->type),
rpc_show_address_family(__entry->family),
__entry->state == TCP_LISTEN ? " (listener)" : ""
)
);
#define DEFINE_SVCSOCK_LIFETIME_EVENT(name) \
DEFINE_EVENT(svcsock_lifetime_class, name, \
TP_PROTO( \
const void *svsk, \
const struct socket *socket \
), \
TP_ARGS(svsk, socket))
DEFINE_SVCSOCK_LIFETIME_EVENT(svcsock_new);
DEFINE_SVCSOCK_LIFETIME_EVENT(svcsock_free);
TRACE_EVENT(svcsock_marker,
TP_PROTO(
const struct svc_xprt *xprt,
__be32 marker
),
TP_ARGS(xprt, marker),
TP_STRUCT__entry(
__field(unsigned int, length)
__field(bool, last)
__string(addr, xprt->xpt_remotebuf)
),
TP_fast_assign(
__entry->length = be32_to_cpu(marker) & RPC_FRAGMENT_SIZE_MASK;
__entry->last = be32_to_cpu(marker) & RPC_LAST_STREAM_FRAGMENT;
__assign_str(addr, xprt->xpt_remotebuf);
),
TP_printk("addr=%s length=%u%s", __get_str(addr),
__entry->length, __entry->last ? " (last)" : "")
);
DECLARE_EVENT_CLASS(svcsock_class,
TP_PROTO(
const struct svc_xprt *xprt,
ssize_t result
),
TP_ARGS(xprt, result),
TP_STRUCT__entry(
__field(ssize_t, result)
__field(unsigned long, flags)
__string(addr, xprt->xpt_remotebuf)
),
TP_fast_assign(
__entry->result = result;
__entry->flags = xprt->xpt_flags;
__assign_str(addr, xprt->xpt_remotebuf);
),
TP_printk("addr=%s result=%zd flags=%s", __get_str(addr),
__entry->result, show_svc_xprt_flags(__entry->flags)
)
);
#define DEFINE_SVCSOCK_EVENT(name) \
DEFINE_EVENT(svcsock_class, svcsock_##name, \
TP_PROTO( \
const struct svc_xprt *xprt, \
ssize_t result \
), \
TP_ARGS(xprt, result))
DEFINE_SVCSOCK_EVENT(udp_send);
DEFINE_SVCSOCK_EVENT(udp_recv);
DEFINE_SVCSOCK_EVENT(udp_recv_err);
DEFINE_SVCSOCK_EVENT(tcp_send);
DEFINE_SVCSOCK_EVENT(tcp_recv);
DEFINE_SVCSOCK_EVENT(tcp_recv_eagain);
DEFINE_SVCSOCK_EVENT(tcp_recv_err);
DEFINE_SVCSOCK_EVENT(data_ready);
DEFINE_SVCSOCK_EVENT(write_space);
TRACE_EVENT(svcsock_tcp_recv_short,
TP_PROTO(
const struct svc_xprt *xprt,
u32 expected,
u32 received
),
TP_ARGS(xprt, expected, received),
TP_STRUCT__entry(
__field(u32, expected)
__field(u32, received)
__field(unsigned long, flags)
__string(addr, xprt->xpt_remotebuf)
),
TP_fast_assign(
__entry->expected = expected;
__entry->received = received;
__entry->flags = xprt->xpt_flags;
__assign_str(addr, xprt->xpt_remotebuf);
),
TP_printk("addr=%s flags=%s expected=%u received=%u",
__get_str(addr), show_svc_xprt_flags(__entry->flags),
__entry->expected, __entry->received
)
);
TRACE_EVENT(svcsock_tcp_state,
TP_PROTO(
const struct svc_xprt *xprt,
const struct socket *socket
),
TP_ARGS(xprt, socket),
TP_STRUCT__entry(
__field(unsigned long, socket_state)
__field(unsigned long, sock_state)
__field(unsigned long, flags)
__string(addr, xprt->xpt_remotebuf)
),
TP_fast_assign(
__entry->socket_state = socket->state;
__entry->sock_state = socket->sk->sk_state;
__entry->flags = xprt->xpt_flags;
__assign_str(addr, xprt->xpt_remotebuf);
),
TP_printk("addr=%s state=%s sk_state=%s flags=%s", __get_str(addr),
rpc_show_socket_state(__entry->socket_state),
rpc_show_sock_state(__entry->sock_state),
show_svc_xprt_flags(__entry->flags)
)
);
DECLARE_EVENT_CLASS(svcsock_accept_class,
TP_PROTO(
const struct svc_xprt *xprt,
const char *service,
long status
),
TP_ARGS(xprt, service, status),
TP_STRUCT__entry(
__field(long, status)
__string(service, service)
__field(unsigned int, netns_ino)
),
TP_fast_assign(
__entry->status = status;
__assign_str(service, service);
__entry->netns_ino = xprt->xpt_net->ns.inum;
),
TP_printk("addr=listener service=%s status=%ld",
__get_str(service), __entry->status
)
);
#define DEFINE_ACCEPT_EVENT(name) \
DEFINE_EVENT(svcsock_accept_class, svcsock_##name##_err, \
TP_PROTO( \
const struct svc_xprt *xprt, \
const char *service, \
long status \
), \
TP_ARGS(xprt, service, status))
DEFINE_ACCEPT_EVENT(accept);
DEFINE_ACCEPT_EVENT(getpeername);
DECLARE_EVENT_CLASS(cache_event,
TP_PROTO(
const struct cache_detail *cd,
const struct cache_head *h
),
TP_ARGS(cd, h),
TP_STRUCT__entry(
__field(const struct cache_head *, h)
__string(name, cd->name)
),
TP_fast_assign(
__entry->h = h;
__assign_str(name, cd->name);
),
TP_printk("cache=%s entry=%p", __get_str(name), __entry->h)
);
#define DEFINE_CACHE_EVENT(name) \
DEFINE_EVENT(cache_event, name, \
TP_PROTO( \
const struct cache_detail *cd, \
const struct cache_head *h \
), \
TP_ARGS(cd, h))
DEFINE_CACHE_EVENT(cache_entry_expired);
DEFINE_CACHE_EVENT(cache_entry_upcall);
DEFINE_CACHE_EVENT(cache_entry_update);
DEFINE_CACHE_EVENT(cache_entry_make_negative);
DEFINE_CACHE_EVENT(cache_entry_no_listener);
DECLARE_EVENT_CLASS(register_class,
TP_PROTO(
const char *program,
const u32 version,
const int family,
const unsigned short protocol,
const unsigned short port,
int error
),
TP_ARGS(program, version, family, protocol, port, error),
TP_STRUCT__entry(
__field(u32, version)
__field(unsigned long, family)
__field(unsigned short, protocol)
__field(unsigned short, port)
__field(int, error)
__string(program, program)
),
TP_fast_assign(
__entry->version = version;
__entry->family = family;
__entry->protocol = protocol;
__entry->port = port;
__entry->error = error;
__assign_str(program, program);
),
TP_printk("program=%sv%u proto=%s port=%u family=%s error=%d",
__get_str(program), __entry->version,
__entry->protocol == IPPROTO_UDP ? "udp" : "tcp",
__entry->port, rpc_show_address_family(__entry->family),
__entry->error
)
);
#define DEFINE_REGISTER_EVENT(name) \
DEFINE_EVENT(register_class, svc_##name, \
TP_PROTO( \
const char *program, \
const u32 version, \
const int family, \
const unsigned short protocol, \
const unsigned short port, \
int error \
), \
TP_ARGS(program, version, family, protocol, \
port, error))
DEFINE_REGISTER_EVENT(register);
DEFINE_REGISTER_EVENT(noregister);
TRACE_EVENT(svc_unregister,
TP_PROTO(
const char *program,
const u32 version,
int error
),
TP_ARGS(program, version, error),
TP_STRUCT__entry(
__field(u32, version)
__field(int, error)
__string(program, program)
),
TP_fast_assign(
__entry->version = version;
__entry->error = error;
__assign_str(program, program);
),
TP_printk("program=%sv%u error=%d",
__get_str(program), __entry->version, __entry->error
)
);
#endif /* _TRACE_SUNRPC_H */
#include <trace/define_trace.h>