From 482ad89745f7121020f6cee38aa4e894a4e7d642 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Fri, 2 Dec 2011 11:06:37 -0200 Subject: [PATCH] perf event: Introduce perf_event__fprintf So that tools like 'perf test' can print the events when in verbose mode, for instance. Cc: David Ahern Cc: Frederic Weisbecker Cc: Mike Galbraith Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-xnovdqfi25nc48gy6604k7yp@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/event.c | 54 ++++++++++++++++++++++++++++++++++++----- tools/perf/util/event.h | 6 +++++ 2 files changed, 54 insertions(+), 6 deletions(-) diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index 0ebbe764133..97c479bcb0d 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -433,6 +433,11 @@ int perf_event__synthesize_kernel_mmap(struct perf_tool *tool, return err; } +size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp) +{ + return fprintf(fp, ": %s:%d\n", event->comm.comm, event->comm.tid); +} + int perf_event__process_comm(struct perf_tool *tool __used, union perf_event *event, struct perf_sample *sample __used, @@ -440,7 +445,8 @@ int perf_event__process_comm(struct perf_tool *tool __used, { struct thread *thread = machine__findnew_thread(machine, event->comm.tid); - dump_printf(": %s:%d\n", event->comm.comm, event->comm.tid); + if (dump_trace) + perf_event__fprintf_comm(event, stdout); if (thread == NULL || thread__set_comm(thread, event->comm.comm)) { dump_printf("problem processing PERF_RECORD_COMM, skipping event.\n"); @@ -566,6 +572,13 @@ out_problem: return -1; } +size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp) +{ + return fprintf(fp, " %d/%d: [%#" PRIx64 "(%#" PRIx64 ") @ %#" PRIx64 "]: %s\n", + event->mmap.pid, event->mmap.tid, event->mmap.start, + event->mmap.len, event->mmap.pgoff, event->mmap.filename); +} + int perf_event__process_mmap(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample __used, @@ -576,9 +589,8 @@ int perf_event__process_mmap(struct perf_tool *tool, u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; int ret = 0; - dump_printf(" %d/%d: [%#" PRIx64 "(%#" PRIx64 ") @ %#" PRIx64 "]: %s\n", - event->mmap.pid, event->mmap.tid, event->mmap.start, - event->mmap.len, event->mmap.pgoff, event->mmap.filename); + if (dump_trace) + perf_event__fprintf_mmap(event, stdout); if (cpumode == PERF_RECORD_MISC_GUEST_KERNEL || cpumode == PERF_RECORD_MISC_KERNEL) { @@ -606,6 +618,13 @@ out_problem: return 0; } +size_t perf_event__fprintf_task(union perf_event *event, FILE *fp) +{ + return fprintf(fp, "(%d:%d):(%d:%d)\n", + event->fork.pid, event->fork.tid, + event->fork.ppid, event->fork.ptid); +} + int perf_event__process_task(struct perf_tool *tool __used, union perf_event *event, struct perf_sample *sample __used, @@ -614,8 +633,8 @@ int perf_event__process_task(struct perf_tool *tool __used, struct thread *thread = machine__findnew_thread(machine, event->fork.tid); struct thread *parent = machine__findnew_thread(machine, event->fork.ptid); - dump_printf("(%d:%d):(%d:%d)\n", event->fork.pid, event->fork.tid, - event->fork.ppid, event->fork.ptid); + if (dump_trace) + perf_event__fprintf_task(event, stdout); if (event->header.type == PERF_RECORD_EXIT) { machine__remove_thread(machine, thread); @@ -631,6 +650,29 @@ int perf_event__process_task(struct perf_tool *tool __used, return 0; } +size_t perf_event__fprintf(union perf_event *event, FILE *fp) +{ + size_t ret = fprintf(fp, "PERF_RECORD_%s", + perf_event__name(event->header.type)); + + switch (event->header.type) { + case PERF_RECORD_COMM: + ret += perf_event__fprintf_comm(event, fp); + break; + case PERF_RECORD_FORK: + case PERF_RECORD_EXIT: + ret += perf_event__fprintf_task(event, fp); + break; + case PERF_RECORD_MMAP: + ret += perf_event__fprintf_mmap(event, fp); + break; + default: + ret += fprintf(fp, "\n"); + } + + return ret; +} + int perf_event__process(struct perf_tool *tool, union perf_event *event, struct perf_sample *sample, struct machine *machine) { diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h index d8499e7cf64..0d80201ce84 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -2,6 +2,7 @@ #define __PERF_RECORD_H #include +#include #include "../perf.h" #include "map.h" @@ -199,4 +200,9 @@ int perf_event__parse_sample(const union perf_event *event, u64 type, int sample_size, bool sample_id_all, struct perf_sample *sample, bool swapped); +size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp); +size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp); +size_t perf_event__fprintf_task(union perf_event *event, FILE *fp); +size_t perf_event__fprintf(union perf_event *event, FILE *fp); + #endif /* __PERF_RECORD_H */ -- 2.20.1