linux/tools/perf/util/tool.h
Namhyung Kim ab64069f1a perf record: Support synthesizing cgroup events
Synthesize cgroup events by iterating cgroup filesystem directories.
The cgroup event only saves the portion of cgroup path after the mount
point and the cgroup id (which actually is a file handle).

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20200325124536.2800725-7-namhyung@kernel.org
Link: http://lore.kernel.org/lkml/20200402015249.3800462-1-namhyung@kernel.org
[ Extracted the HAVE_FILE_HANDLE from the followup patch, added missing __maybe_unused ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2020-04-03 09:37:55 -03:00

88 lines
1.9 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PERF_TOOL_H
#define __PERF_TOOL_H
#include <stdbool.h>
#include <linux/types.h>
struct perf_session;
union perf_event;
struct evlist;
struct evsel;
struct perf_sample;
struct perf_tool;
struct machine;
struct ordered_events;
typedef int (*event_sample)(struct perf_tool *tool, union perf_event *event,
struct perf_sample *sample,
struct evsel *evsel, struct machine *machine);
typedef int (*event_op)(struct perf_tool *tool, union perf_event *event,
struct perf_sample *sample, struct machine *machine);
typedef int (*event_attr_op)(struct perf_tool *tool,
union perf_event *event,
struct evlist **pevlist);
typedef int (*event_op2)(struct perf_session *session, union perf_event *event);
typedef s64 (*event_op3)(struct perf_session *session, union perf_event *event);
typedef int (*event_op4)(struct perf_session *session, union perf_event *event, u64 data);
typedef int (*event_oe)(struct perf_tool *tool, union perf_event *event,
struct ordered_events *oe);
enum show_feature_header {
SHOW_FEAT_NO_HEADER = 0,
SHOW_FEAT_HEADER,
SHOW_FEAT_HEADER_FULL_INFO,
};
struct perf_tool {
event_sample sample,
read;
event_op mmap,
mmap2,
comm,
namespaces,
cgroup,
fork,
exit,
lost,
lost_samples,
aux,
itrace_start,
context_switch,
throttle,
unthrottle,
ksymbol,
bpf;
event_attr_op attr;
event_attr_op event_update;
event_op2 tracing_data;
event_oe finished_round;
event_op2 build_id,
id_index,
auxtrace_info,
auxtrace_error,
time_conv,
thread_map,
cpu_map,
stat_config,
stat,
stat_round,
feature;
event_op4 compressed;
event_op3 auxtrace;
bool ordered_events;
bool ordering_requires_timestamps;
bool namespace_events;
bool cgroup_events;
bool no_warn;
enum show_feature_header show_feat_hdr;
};
#endif /* __PERF_TOOL_H */