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ab64069f1a
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>
105 lines
6.3 KiB
C
105 lines
6.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __PERF_SYNTHETIC_EVENTS_H
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#define __PERF_SYNTHETIC_EVENTS_H
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#include <stdbool.h>
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#include <sys/types.h> // pid_t
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#include <linux/compiler.h>
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#include <linux/types.h>
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struct auxtrace_record;
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struct dso;
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struct evlist;
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struct evsel;
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struct machine;
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struct perf_counts_values;
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struct perf_cpu_map;
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struct perf_event_attr;
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struct perf_event_mmap_page;
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struct perf_sample;
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struct perf_session;
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struct perf_stat_config;
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struct perf_thread_map;
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struct perf_tool;
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struct record_opts;
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struct target;
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union perf_event;
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typedef int (*perf_event__handler_t)(struct perf_tool *tool, union perf_event *event,
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struct perf_sample *sample, struct machine *machine);
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int perf_event__synthesize_attrs(struct perf_tool *tool, struct evlist *evlist, perf_event__handler_t process);
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int perf_event__synthesize_attr(struct perf_tool *tool, struct perf_event_attr *attr, u32 ids, u64 *id, perf_event__handler_t process);
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int perf_event__synthesize_build_id(struct perf_tool *tool, struct dso *pos, u16 misc, perf_event__handler_t process, struct machine *machine);
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int perf_event__synthesize_cpu_map(struct perf_tool *tool, struct perf_cpu_map *cpus, perf_event__handler_t process, struct machine *machine);
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int perf_event__synthesize_event_update_cpus(struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process);
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int perf_event__synthesize_event_update_name(struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process);
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int perf_event__synthesize_event_update_scale(struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process);
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int perf_event__synthesize_event_update_unit(struct perf_tool *tool, struct evsel *evsel, perf_event__handler_t process);
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int perf_event__synthesize_extra_attr(struct perf_tool *tool, struct evlist *evsel_list, perf_event__handler_t process, bool is_pipe);
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int perf_event__synthesize_extra_kmaps(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine);
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int perf_event__synthesize_features(struct perf_tool *tool, struct perf_session *session, struct evlist *evlist, perf_event__handler_t process);
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int perf_event__synthesize_id_index(struct perf_tool *tool, perf_event__handler_t process, struct evlist *evlist, struct machine *machine);
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int perf_event__synthesize_kernel_mmap(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine);
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int perf_event__synthesize_mmap_events(struct perf_tool *tool, union perf_event *event, pid_t pid, pid_t tgid, perf_event__handler_t process, struct machine *machine, bool mmap_data);
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int perf_event__synthesize_modules(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine);
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int perf_event__synthesize_namespaces(struct perf_tool *tool, union perf_event *event, pid_t pid, pid_t tgid, perf_event__handler_t process, struct machine *machine);
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int perf_event__synthesize_cgroups(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine);
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int perf_event__synthesize_sample(union perf_event *event, u64 type, u64 read_format, const struct perf_sample *sample);
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int perf_event__synthesize_stat_config(struct perf_tool *tool, struct perf_stat_config *config, perf_event__handler_t process, struct machine *machine);
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int perf_event__synthesize_stat_events(struct perf_stat_config *config, struct perf_tool *tool, struct evlist *evlist, perf_event__handler_t process, bool attrs);
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int perf_event__synthesize_stat_round(struct perf_tool *tool, u64 time, u64 type, perf_event__handler_t process, struct machine *machine);
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int perf_event__synthesize_stat(struct perf_tool *tool, u32 cpu, u32 thread, u64 id, struct perf_counts_values *count, perf_event__handler_t process, struct machine *machine);
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int perf_event__synthesize_thread_map2(struct perf_tool *tool, struct perf_thread_map *threads, perf_event__handler_t process, struct machine *machine);
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int perf_event__synthesize_thread_map(struct perf_tool *tool, struct perf_thread_map *threads, perf_event__handler_t process, struct machine *machine, bool mmap_data);
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int perf_event__synthesize_threads(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine, bool mmap_data, unsigned int nr_threads_synthesize);
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int perf_event__synthesize_tracing_data(struct perf_tool *tool, int fd, struct evlist *evlist, perf_event__handler_t process);
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int perf_event__synth_time_conv(const struct perf_event_mmap_page *pc, struct perf_tool *tool, perf_event__handler_t process, struct machine *machine);
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pid_t perf_event__synthesize_comm(struct perf_tool *tool, union perf_event *event, pid_t pid, perf_event__handler_t process, struct machine *machine);
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int perf_tool__process_synth_event(struct perf_tool *tool, union perf_event *event, struct machine *machine, perf_event__handler_t process);
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size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type, u64 read_format);
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int __machine__synthesize_threads(struct machine *machine, struct perf_tool *tool,
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struct target *target, struct perf_thread_map *threads,
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perf_event__handler_t process, bool data_mmap,
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unsigned int nr_threads_synthesize);
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int machine__synthesize_threads(struct machine *machine, struct target *target,
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struct perf_thread_map *threads, bool data_mmap,
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unsigned int nr_threads_synthesize);
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#ifdef HAVE_AUXTRACE_SUPPORT
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int perf_event__synthesize_auxtrace_info(struct auxtrace_record *itr, struct perf_tool *tool,
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struct perf_session *session, perf_event__handler_t process);
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#else // HAVE_AUXTRACE_SUPPORT
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#include <errno.h>
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static inline int
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perf_event__synthesize_auxtrace_info(struct auxtrace_record *itr __maybe_unused,
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struct perf_tool *tool __maybe_unused,
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struct perf_session *session __maybe_unused,
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perf_event__handler_t process __maybe_unused)
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{
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return -EINVAL;
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}
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#endif // HAVE_AUXTRACE_SUPPORT
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#ifdef HAVE_LIBBPF_SUPPORT
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int perf_event__synthesize_bpf_events(struct perf_session *session, perf_event__handler_t process,
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struct machine *machine, struct record_opts *opts);
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#else // HAVE_LIBBPF_SUPPORT
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static inline int perf_event__synthesize_bpf_events(struct perf_session *session __maybe_unused,
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perf_event__handler_t process __maybe_unused,
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struct machine *machine __maybe_unused,
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struct record_opts *opts __maybe_unused)
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{
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return 0;
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}
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#endif // HAVE_LIBBPF_SUPPORT
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#endif // __PERF_SYNTHETIC_EVENTS_H
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