mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-05 18:39:59 +00:00
![Mathieu Poirier](/assets/img/avatar_default.png)
Move CoreSight headers to the SPDX identifier. Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: linux-arm-kernel@lists.infradead.org Link: http://lkml.kernel.org/r/1524089118-27595-1-git-send-email-mathieu.poirier@linaro.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
81 lines
1.9 KiB
C
81 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright(C) 2015 Linaro Limited. All rights reserved.
|
|
* Author: Mathieu Poirier <mathieu.poirier@linaro.org>
|
|
*/
|
|
|
|
#ifndef INCLUDE__UTIL_PERF_CS_ETM_H__
|
|
#define INCLUDE__UTIL_PERF_CS_ETM_H__
|
|
|
|
#include "util/event.h"
|
|
#include "util/session.h"
|
|
|
|
/* Versionning header in case things need tro change in the future. That way
|
|
* decoding of old snapshot is still possible.
|
|
*/
|
|
enum {
|
|
/* Starting with 0x0 */
|
|
CS_HEADER_VERSION_0,
|
|
/* PMU->type (32 bit), total # of CPUs (32 bit) */
|
|
CS_PMU_TYPE_CPUS,
|
|
CS_ETM_SNAPSHOT,
|
|
CS_HEADER_VERSION_0_MAX,
|
|
};
|
|
|
|
/* Beginning of header common to both ETMv3 and V4 */
|
|
enum {
|
|
CS_ETM_MAGIC,
|
|
CS_ETM_CPU,
|
|
};
|
|
|
|
/* ETMv3/PTM metadata */
|
|
enum {
|
|
/* Dynamic, configurable parameters */
|
|
CS_ETM_ETMCR = CS_ETM_CPU + 1,
|
|
CS_ETM_ETMTRACEIDR,
|
|
/* RO, taken from sysFS */
|
|
CS_ETM_ETMCCER,
|
|
CS_ETM_ETMIDR,
|
|
CS_ETM_PRIV_MAX,
|
|
};
|
|
|
|
/* ETMv4 metadata */
|
|
enum {
|
|
/* Dynamic, configurable parameters */
|
|
CS_ETMV4_TRCCONFIGR = CS_ETM_CPU + 1,
|
|
CS_ETMV4_TRCTRACEIDR,
|
|
/* RO, taken from sysFS */
|
|
CS_ETMV4_TRCIDR0,
|
|
CS_ETMV4_TRCIDR1,
|
|
CS_ETMV4_TRCIDR2,
|
|
CS_ETMV4_TRCIDR8,
|
|
CS_ETMV4_TRCAUTHSTATUS,
|
|
CS_ETMV4_PRIV_MAX,
|
|
};
|
|
|
|
/* RB tree for quick conversion between traceID and CPUs */
|
|
struct intlist *traceid_list;
|
|
|
|
#define KiB(x) ((x) * 1024)
|
|
#define MiB(x) ((x) * 1024 * 1024)
|
|
|
|
#define CS_ETM_HEADER_SIZE (CS_HEADER_VERSION_0_MAX * sizeof(u64))
|
|
|
|
static const u64 __perf_cs_etmv3_magic = 0x3030303030303030ULL;
|
|
static const u64 __perf_cs_etmv4_magic = 0x4040404040404040ULL;
|
|
#define CS_ETMV3_PRIV_SIZE (CS_ETM_PRIV_MAX * sizeof(u64))
|
|
#define CS_ETMV4_PRIV_SIZE (CS_ETMV4_PRIV_MAX * sizeof(u64))
|
|
|
|
#ifdef HAVE_CSTRACE_SUPPORT
|
|
int cs_etm__process_auxtrace_info(union perf_event *event,
|
|
struct perf_session *session);
|
|
#else
|
|
static inline int
|
|
cs_etm__process_auxtrace_info(union perf_event *event __maybe_unused,
|
|
struct perf_session *session __maybe_unused)
|
|
{
|
|
return -1;
|
|
}
|
|
#endif
|
|
|
|
#endif
|