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![Ian Rogers](/assets/img/avatar_default.png)
Modify struct declaration and accessor functions for the reference count checkers additional layer of indirection. Make sure pid_cmp in builtin-sched.c uses the underlying/original struct in pointer arithmetic, and not the temporary get/put indirection. Signed-off-by: Ian Rogers <irogers@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ali Saidi <alisaidi@amazon.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com> Cc: Brian Robbins <brianrob@linux.microsoft.com> Cc: Changbin Du <changbin.du@huawei.com> Cc: Dmitrii Dolgov <9erthalion6@gmail.com> Cc: Fangrui Song <maskray@google.com> Cc: German Gomez <german.gomez@arm.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Ivan Babrou <ivan@cloudflare.com> Cc: James Clark <james.clark@arm.com> Cc: Jing Zhang <renyu.zj@linux.alibaba.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Garry <john.g.garry@oracle.com> Cc: K Prateek Nayak <kprateek.nayak@amd.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Liam Howlett <liam.howlett@oracle.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Miguel Ojeda <ojeda@kernel.org> Cc: Mike Leach <mike.leach@linaro.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ravi Bangoria <ravi.bangoria@amd.com> Cc: Sean Christopherson <seanjc@google.com> Cc: Steinar H. Gunderson <sesse@google.com> Cc: Suzuki Poulouse <suzuki.poulose@arm.com> Cc: Wenyu Liu <liuwenyu7@huawei.com> Cc: Will Deacon <will@kernel.org> Cc: Yang Jihong <yangjihong1@huawei.com> Cc: Ye Xingchen <ye.xingchen@zte.com.cn> Cc: Yuan Can <yuancan@huawei.com> Cc: coresight@lists.linaro.org Cc: linux-arm-kernel@lists.infradead.org Link: https://lore.kernel.org/r/20230608232823.4027869-8-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
340 lines
8.4 KiB
C
340 lines
8.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __PERF_THREAD_H
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#define __PERF_THREAD_H
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#include <linux/refcount.h>
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#include <linux/rbtree.h>
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#include <linux/list.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include "srccode.h"
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#include "symbol_conf.h"
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#include <strlist.h>
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#include <intlist.h>
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#include "rwsem.h"
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#include "event.h"
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#include "callchain.h"
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#include <internal/rc_check.h>
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struct addr_location;
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struct map;
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struct perf_record_namespaces;
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struct thread_stack;
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struct unwind_libunwind_ops;
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struct lbr_stitch {
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struct list_head lists;
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struct list_head free_lists;
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struct perf_sample prev_sample;
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struct callchain_cursor_node *prev_lbr_cursor;
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};
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struct thread_rb_node {
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struct rb_node rb_node;
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struct thread *thread;
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};
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DECLARE_RC_STRUCT(thread) {
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struct maps *maps;
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pid_t pid_; /* Not all tools update this */
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pid_t tid;
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pid_t ppid;
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int cpu;
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int guest_cpu; /* For QEMU thread */
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refcount_t refcnt;
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bool comm_set;
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int comm_len;
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struct list_head namespaces_list;
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struct rw_semaphore namespaces_lock;
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struct list_head comm_list;
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struct rw_semaphore comm_lock;
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u64 db_id;
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void *priv;
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struct thread_stack *ts;
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struct nsinfo *nsinfo;
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struct srccode_state srccode_state;
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bool filter;
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int filter_entry_depth;
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/* LBR call stack stitch */
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bool lbr_stitch_enable;
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struct lbr_stitch *lbr_stitch;
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};
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struct machine;
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struct namespaces;
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struct comm;
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struct thread *thread__new(pid_t pid, pid_t tid);
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int thread__init_maps(struct thread *thread, struct machine *machine);
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void thread__delete(struct thread *thread);
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struct thread *thread__get(struct thread *thread);
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void thread__put(struct thread *thread);
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static inline void __thread__zput(struct thread **thread)
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{
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thread__put(*thread);
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*thread = NULL;
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}
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#define thread__zput(thread) __thread__zput(&thread)
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struct namespaces *thread__namespaces(struct thread *thread);
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int thread__set_namespaces(struct thread *thread, u64 timestamp,
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struct perf_record_namespaces *event);
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int __thread__set_comm(struct thread *thread, const char *comm, u64 timestamp,
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bool exec);
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static inline int thread__set_comm(struct thread *thread, const char *comm,
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u64 timestamp)
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{
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return __thread__set_comm(thread, comm, timestamp, false);
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}
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int thread__set_comm_from_proc(struct thread *thread);
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int thread__comm_len(struct thread *thread);
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struct comm *thread__comm(struct thread *thread);
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struct comm *thread__exec_comm(struct thread *thread);
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const char *thread__comm_str(struct thread *thread);
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int thread__insert_map(struct thread *thread, struct map *map);
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int thread__fork(struct thread *thread, struct thread *parent, u64 timestamp, bool do_maps_clone);
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size_t thread__fprintf(struct thread *thread, FILE *fp);
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struct thread *thread__main_thread(struct machine *machine, struct thread *thread);
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struct map *thread__find_map(struct thread *thread, u8 cpumode, u64 addr,
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struct addr_location *al);
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struct map *thread__find_map_fb(struct thread *thread, u8 cpumode, u64 addr,
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struct addr_location *al);
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struct symbol *thread__find_symbol(struct thread *thread, u8 cpumode,
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u64 addr, struct addr_location *al);
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struct symbol *thread__find_symbol_fb(struct thread *thread, u8 cpumode,
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u64 addr, struct addr_location *al);
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void thread__find_cpumode_addr_location(struct thread *thread, u64 addr,
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struct addr_location *al);
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int thread__memcpy(struct thread *thread, struct machine *machine,
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void *buf, u64 ip, int len, bool *is64bit);
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static inline struct maps *thread__maps(struct thread *thread)
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{
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return RC_CHK_ACCESS(thread)->maps;
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}
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static inline void thread__set_maps(struct thread *thread, struct maps *maps)
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{
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RC_CHK_ACCESS(thread)->maps = maps;
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}
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static inline pid_t thread__pid(const struct thread *thread)
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{
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return RC_CHK_ACCESS(thread)->pid_;
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}
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static inline void thread__set_pid(struct thread *thread, pid_t pid_)
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{
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RC_CHK_ACCESS(thread)->pid_ = pid_;
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}
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static inline pid_t thread__tid(const struct thread *thread)
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{
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return RC_CHK_ACCESS(thread)->tid;
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}
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static inline void thread__set_tid(struct thread *thread, pid_t tid)
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{
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RC_CHK_ACCESS(thread)->tid = tid;
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}
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static inline pid_t thread__ppid(const struct thread *thread)
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{
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return RC_CHK_ACCESS(thread)->ppid;
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}
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static inline void thread__set_ppid(struct thread *thread, pid_t ppid)
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{
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RC_CHK_ACCESS(thread)->ppid = ppid;
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}
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static inline int thread__cpu(const struct thread *thread)
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{
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return RC_CHK_ACCESS(thread)->cpu;
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}
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static inline void thread__set_cpu(struct thread *thread, int cpu)
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{
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RC_CHK_ACCESS(thread)->cpu = cpu;
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}
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static inline int thread__guest_cpu(const struct thread *thread)
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{
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return RC_CHK_ACCESS(thread)->guest_cpu;
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}
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static inline void thread__set_guest_cpu(struct thread *thread, int guest_cpu)
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{
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RC_CHK_ACCESS(thread)->guest_cpu = guest_cpu;
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}
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static inline refcount_t *thread__refcnt(struct thread *thread)
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{
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return &RC_CHK_ACCESS(thread)->refcnt;
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}
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static inline bool thread__comm_set(const struct thread *thread)
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{
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return RC_CHK_ACCESS(thread)->comm_set;
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}
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static inline void thread__set_comm_set(struct thread *thread, bool set)
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{
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RC_CHK_ACCESS(thread)->comm_set = set;
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}
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static inline int thread__var_comm_len(const struct thread *thread)
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{
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return RC_CHK_ACCESS(thread)->comm_len;
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}
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static inline void thread__set_comm_len(struct thread *thread, int len)
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{
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RC_CHK_ACCESS(thread)->comm_len = len;
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}
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static inline struct list_head *thread__namespaces_list(struct thread *thread)
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{
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return &RC_CHK_ACCESS(thread)->namespaces_list;
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}
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static inline int thread__namespaces_list_empty(const struct thread *thread)
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{
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return list_empty(&RC_CHK_ACCESS(thread)->namespaces_list);
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}
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static inline struct rw_semaphore *thread__namespaces_lock(struct thread *thread)
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{
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return &RC_CHK_ACCESS(thread)->namespaces_lock;
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}
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static inline struct list_head *thread__comm_list(struct thread *thread)
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{
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return &RC_CHK_ACCESS(thread)->comm_list;
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}
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static inline struct rw_semaphore *thread__comm_lock(struct thread *thread)
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{
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return &RC_CHK_ACCESS(thread)->comm_lock;
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}
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static inline u64 thread__db_id(const struct thread *thread)
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{
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return RC_CHK_ACCESS(thread)->db_id;
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}
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static inline void thread__set_db_id(struct thread *thread, u64 db_id)
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{
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RC_CHK_ACCESS(thread)->db_id = db_id;
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}
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static inline void *thread__priv(struct thread *thread)
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{
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return RC_CHK_ACCESS(thread)->priv;
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}
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static inline void thread__set_priv(struct thread *thread, void *p)
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{
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RC_CHK_ACCESS(thread)->priv = p;
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}
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static inline struct thread_stack *thread__ts(struct thread *thread)
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{
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return RC_CHK_ACCESS(thread)->ts;
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}
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static inline void thread__set_ts(struct thread *thread, struct thread_stack *ts)
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{
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RC_CHK_ACCESS(thread)->ts = ts;
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}
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static inline struct nsinfo *thread__nsinfo(struct thread *thread)
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{
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return RC_CHK_ACCESS(thread)->nsinfo;
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}
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static inline struct srccode_state *thread__srccode_state(struct thread *thread)
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{
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return &RC_CHK_ACCESS(thread)->srccode_state;
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}
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static inline bool thread__filter(const struct thread *thread)
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{
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return RC_CHK_ACCESS(thread)->filter;
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}
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static inline void thread__set_filter(struct thread *thread, bool filter)
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{
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RC_CHK_ACCESS(thread)->filter = filter;
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}
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static inline int thread__filter_entry_depth(const struct thread *thread)
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{
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return RC_CHK_ACCESS(thread)->filter_entry_depth;
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}
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static inline void thread__set_filter_entry_depth(struct thread *thread, int depth)
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{
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RC_CHK_ACCESS(thread)->filter_entry_depth = depth;
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}
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static inline bool thread__lbr_stitch_enable(const struct thread *thread)
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{
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return RC_CHK_ACCESS(thread)->lbr_stitch_enable;
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}
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static inline void thread__set_lbr_stitch_enable(struct thread *thread, bool en)
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{
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RC_CHK_ACCESS(thread)->lbr_stitch_enable = en;
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}
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static inline struct lbr_stitch *thread__lbr_stitch(struct thread *thread)
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{
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return RC_CHK_ACCESS(thread)->lbr_stitch;
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}
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static inline void thread__set_lbr_stitch(struct thread *thread, struct lbr_stitch *lbrs)
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{
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RC_CHK_ACCESS(thread)->lbr_stitch = lbrs;
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}
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static inline bool thread__is_filtered(struct thread *thread)
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{
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if (symbol_conf.comm_list &&
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!strlist__has_entry(symbol_conf.comm_list, thread__comm_str(thread))) {
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return true;
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}
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if (symbol_conf.pid_list &&
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!intlist__has_entry(symbol_conf.pid_list, thread__pid(thread))) {
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return true;
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}
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if (symbol_conf.tid_list &&
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!intlist__has_entry(symbol_conf.tid_list, thread__tid(thread))) {
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return true;
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}
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return false;
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}
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void thread__free_stitch_list(struct thread *thread);
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void thread__resolve(struct thread *thread, struct addr_location *al,
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struct perf_sample *sample);
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#endif /* __PERF_THREAD_H */
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