perf session: Ditch register_perf_file_handler
Pass the event_ops to perf_session__process_events instead. Also move the event_ops definition to session.h, starting to move things around to their right place, trimming the many unneeded headers we have. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frédéric Weisbecker <fweisbec@gmail.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Paul Mackerras <paulus@samba.org> LKML-Reference: <1260741029-4430-2-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
parent
d8f66248d6
commit
301a0b0202
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@ -370,7 +370,6 @@ LIB_H += util/values.h
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LIB_H += util/sort.h
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LIB_H += util/hist.h
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LIB_H += util/thread.h
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LIB_H += util/data_map.h
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LIB_H += util/probe-finder.h
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LIB_H += util/probe-event.h
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@ -26,7 +26,6 @@
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#include "util/sort.h"
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#include "util/hist.h"
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#include "util/session.h"
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#include "util/data_map.h"
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static char const *input_name = "perf.data";
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@ -454,7 +453,7 @@ static void find_annotations(void)
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}
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}
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static struct perf_file_handler file_handler = {
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static struct perf_event_ops event_ops = {
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.process_sample_event = process_sample_event,
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.process_mmap_event = event__process_mmap,
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.process_comm_event = event__process_comm,
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@ -463,7 +462,8 @@ static struct perf_file_handler file_handler = {
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static int __cmd_annotate(void)
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{
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struct perf_session *session = perf_session__new(input_name, O_RDONLY, force);
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struct perf_session *session = perf_session__new(input_name, O_RDONLY,
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force);
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struct thread *idle;
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int ret;
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@ -471,9 +471,9 @@ static int __cmd_annotate(void)
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return -ENOMEM;
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idle = register_idle_thread();
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register_perf_file_handler(&file_handler);
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ret = perf_session__process_events(session, 0, &event__cwdlen, &event__cwd);
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ret = perf_session__process_events(session, &event_ops, 0,
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&event__cwdlen, &event__cwd);
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if (ret)
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goto out_delete;
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@ -9,7 +9,6 @@
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#include "builtin.h"
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#include "perf.h"
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#include "util/cache.h"
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#include "util/data_map.h"
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#include "util/debug.h"
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#include "util/parse-options.h"
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#include "util/session.h"
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@ -12,7 +12,6 @@
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#include "util/trace-event.h"
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#include "util/debug.h"
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#include "util/data_map.h"
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#include <linux/rbtree.h>
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@ -359,7 +358,7 @@ static int sample_type_check(u64 type)
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return 0;
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}
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static struct perf_file_handler file_handler = {
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static struct perf_event_ops event_ops = {
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.process_sample_event = process_sample_event,
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.process_comm_event = event__process_comm,
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.sample_type_check = sample_type_check,
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@ -374,9 +373,8 @@ static int read_events(void)
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return -ENOMEM;
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register_idle_thread();
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register_perf_file_handler(&file_handler);
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err = perf_session__process_events(session, 0, &event__cwdlen, &event__cwd);
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err = perf_session__process_events(session, &event_ops, 0,
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&event__cwdlen, &event__cwd);
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perf_session__delete(session);
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return err;
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}
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@ -27,7 +27,6 @@
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#include "util/parse-options.h"
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#include "util/parse-events.h"
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#include "util/data_map.h"
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#include "util/thread.h"
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#include "util/sort.h"
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#include "util/hist.h"
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@ -748,7 +747,7 @@ static int sample_type_check(u64 type)
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return 0;
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}
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static struct perf_file_handler file_handler = {
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static struct perf_event_ops event_ops = {
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.process_sample_event = process_sample_event,
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.process_mmap_event = event__process_mmap,
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.process_comm_event = process_comm_event,
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@ -776,9 +775,7 @@ static int __cmd_report(void)
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if (show_threads)
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perf_read_values_init(&show_threads_values);
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register_perf_file_handler(&file_handler);
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ret = perf_session__process_events(session, full_paths,
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ret = perf_session__process_events(session, &event_ops, full_paths,
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&event__cwdlen, &event__cwd);
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if (ret)
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goto out_delete;
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@ -12,7 +12,6 @@
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#include "util/trace-event.h"
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#include "util/debug.h"
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#include "util/data_map.h"
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#include <sys/prctl.h>
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@ -1656,7 +1655,7 @@ static int sample_type_check(u64 type)
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return 0;
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}
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static struct perf_file_handler file_handler = {
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static struct perf_event_ops event_ops = {
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.process_sample_event = process_sample_event,
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.process_comm_event = event__process_comm,
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.process_lost_event = process_lost_event,
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@ -1672,9 +1671,9 @@ static int read_events(void)
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return -ENOMEM;
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register_idle_thread();
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register_perf_file_handler(&file_handler);
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err = perf_session__process_events(session, 0, &event__cwdlen, &event__cwd);
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err = perf_session__process_events(session, &event_ops, 0,
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&event__cwdlen, &event__cwd);
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perf_session__delete(session);
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return err;
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}
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@ -30,7 +30,7 @@
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#include "util/parse-options.h"
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#include "util/parse-events.h"
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#include "util/event.h"
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#include "util/data_map.h"
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#include "util/session.h"
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#include "util/svghelper.h"
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static char const *input_name = "perf.data";
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@ -1046,7 +1046,7 @@ static int sample_type_check(u64 type)
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return 0;
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}
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static struct perf_file_handler file_handler = {
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static struct perf_event_ops event_ops = {
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.process_comm_event = process_comm_event,
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.process_fork_event = process_fork_event,
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.process_exit_event = process_exit_event,
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@ -1062,9 +1062,8 @@ static int __cmd_timechart(void)
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if (session == NULL)
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return -ENOMEM;
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register_perf_file_handler(&file_handler);
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ret = perf_session__process_events(session, 0, &event__cwdlen, &event__cwd);
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ret = perf_session__process_events(session, &event_ops, 0,
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&event__cwdlen, &event__cwd);
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if (ret)
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goto out_delete;
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@ -57,7 +57,6 @@ static int cleanup_scripting(void)
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#include "util/debug.h"
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#include "util/trace-event.h"
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#include "util/data_map.h"
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#include "util/exec_cmd.h"
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static char const *input_name = "perf.data";
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@ -118,7 +117,7 @@ static int sample_type_check(u64 type)
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return 0;
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}
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static struct perf_file_handler file_handler = {
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static struct perf_event_ops event_ops = {
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.process_sample_event = process_sample_event,
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.process_comm_event = event__process_comm,
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.sample_type_check = sample_type_check,
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static int __cmd_trace(struct perf_session *session)
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{
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register_idle_thread();
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register_perf_file_handler(&file_handler);
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return perf_session__process_events(session, 0, &event__cwdlen, &event__cwd);
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return perf_session__process_events(session, &event_ops, 0,
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&event__cwdlen, &event__cwd);
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}
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struct script_spec {
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@ -1,10 +1,8 @@
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#include "data_map.h"
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#include "symbol.h"
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#include "util.h"
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#include "debug.h"
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#include "session.h"
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static struct perf_file_handler *curr_handler;
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static unsigned long mmap_window = 32;
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static char __cwd[PATH_MAX];
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@ -15,7 +13,7 @@ static int process_event_stub(event_t *event __used,
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return 0;
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}
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void register_perf_file_handler(struct perf_file_handler *handler)
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static void perf_event_ops__fill_defaults(struct perf_event_ops *handler)
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{
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if (!handler->process_sample_event)
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handler->process_sample_event = process_event_stub;
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handler->process_throttle_event = process_event_stub;
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if (!handler->process_unthrottle_event)
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handler->process_unthrottle_event = process_event_stub;
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curr_handler = handler;
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}
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static const char *event__name[] = {
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}
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static int process_event(event_t *event, struct perf_session *session,
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struct perf_event_ops *ops,
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unsigned long offset, unsigned long head)
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{
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trace_event(event);
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switch (event->header.type) {
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case PERF_RECORD_SAMPLE:
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return curr_handler->process_sample_event(event, session);
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return ops->process_sample_event(event, session);
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case PERF_RECORD_MMAP:
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return curr_handler->process_mmap_event(event, session);
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return ops->process_mmap_event(event, session);
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case PERF_RECORD_COMM:
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return curr_handler->process_comm_event(event, session);
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return ops->process_comm_event(event, session);
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case PERF_RECORD_FORK:
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return curr_handler->process_fork_event(event, session);
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return ops->process_fork_event(event, session);
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case PERF_RECORD_EXIT:
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return curr_handler->process_exit_event(event, session);
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return ops->process_exit_event(event, session);
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case PERF_RECORD_LOST:
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return curr_handler->process_lost_event(event, session);
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return ops->process_lost_event(event, session);
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case PERF_RECORD_READ:
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return curr_handler->process_read_event(event, session);
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return ops->process_read_event(event, session);
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case PERF_RECORD_THROTTLE:
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return curr_handler->process_throttle_event(event, session);
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return ops->process_throttle_event(event, session);
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case PERF_RECORD_UNTHROTTLE:
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return curr_handler->process_unthrottle_event(event, session);
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return ops->process_unthrottle_event(event, session);
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default:
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curr_handler->total_unknown++;
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ops->total_unknown++;
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return -1;
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}
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}
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}
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int perf_session__process_events(struct perf_session *self,
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struct perf_event_ops *ops,
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int full_paths, int *cwdlen, char **cwd)
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{
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int err;
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@ -142,10 +140,7 @@ int perf_session__process_events(struct perf_session *self,
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uint32_t size;
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char *buf;
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if (curr_handler == NULL) {
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pr_debug("Forgot to register perf file handler\n");
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return -EINVAL;
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}
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perf_event_ops__fill_defaults(ops);
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page_size = getpagesize();
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@ -153,8 +148,8 @@ int perf_session__process_events(struct perf_session *self,
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sample_type = perf_header__sample_type(&self->header);
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err = -EINVAL;
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if (curr_handler->sample_type_check &&
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curr_handler->sample_type_check(sample_type) < 0)
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if (ops->sample_type_check &&
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ops->sample_type_check(sample_type) < 0)
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goto out_err;
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if (!full_paths) {
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@ -210,7 +205,7 @@ more:
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(void *)(long)event->header.size,
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event->header.type);
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if (!size || process_event(event, self, offset, head) < 0) {
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if (!size || process_event(event, self, ops, offset, head) < 0) {
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dump_printf("%p [%p]: skipping unknown header type: %d\n",
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(void *)(offset + head),
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@ -1,32 +0,0 @@
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#ifndef __PERF_DATAMAP_H
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#define __PERF_DATAMAP_H
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#include "event.h"
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#include "header.h"
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#include "session.h"
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struct perf_session;
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typedef int (*event_type_handler_t)(event_t *self,
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struct perf_session *session);
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struct perf_file_handler {
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event_type_handler_t process_sample_event;
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event_type_handler_t process_mmap_event;
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event_type_handler_t process_comm_event;
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event_type_handler_t process_fork_event;
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event_type_handler_t process_exit_event;
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event_type_handler_t process_lost_event;
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event_type_handler_t process_read_event;
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event_type_handler_t process_throttle_event;
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event_type_handler_t process_unthrottle_event;
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int (*sample_type_check)(u64 sample_type);
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unsigned long total_unknown;
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};
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void register_perf_file_handler(struct perf_file_handler *handler);
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int perf_session__process_events(struct perf_session *self,
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int full_paths, int *cwdlen, char **cwd);
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int perf_header__read_build_ids(int input, u64 offset, u64 file_size);
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#endif
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@ -8,8 +8,8 @@
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#include "header.h"
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#include "../perf.h"
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#include "trace-event.h"
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#include "session.h"
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#include "symbol.h"
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#include "data_map.h"
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#include "debug.h"
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/*
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@ -48,7 +48,8 @@ out_close:
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return -1;
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}
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struct perf_session *perf_session__new(const char *filename, int mode, bool force)
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struct perf_session *perf_session__new(const char *filename, int mode,
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bool force)
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{
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size_t len = strlen(filename) + 1;
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struct perf_session *self = zalloc(sizeof(*self) + len);
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@ -1,6 +1,7 @@
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#ifndef __PERF_SESSION_H
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#define __PERF_SESSION_H
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#include "event.h"
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#include "header.h"
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struct perf_session {
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@ -10,7 +11,30 @@ struct perf_session {
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char filename[0];
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};
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struct perf_session *perf_session__new(const char *filename, int mode, bool force);
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typedef int (*event_op)(event_t *self, struct perf_session *session);
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struct perf_event_ops {
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event_op process_sample_event;
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event_op process_mmap_event;
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event_op process_comm_event;
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event_op process_fork_event;
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event_op process_exit_event;
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event_op process_lost_event;
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event_op process_read_event;
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event_op process_throttle_event;
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event_op process_unthrottle_event;
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int (*sample_type_check)(u64 sample_type);
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unsigned long total_unknown;
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};
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struct perf_session *perf_session__new(const char *filename, int mode,
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bool force);
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void perf_session__delete(struct perf_session *self);
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int perf_session__process_events(struct perf_session *self,
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struct perf_event_ops *event_ops,
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int full_paths, int *cwdlen, char **cwd);
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int perf_header__read_build_ids(int input, u64 offset, u64 file_size);
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#endif /* __PERF_SESSION_H */
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