From e9ea2fde7a07ae60a119171a2946ed2ae778271e Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Wed, 24 Jun 2009 22:46:04 +0200 Subject: [PATCH] perf-report: Add bare minimum PERF_EVENT_READ parsing Provide the basic infrastructure to provide per task stats. Signed-off-by: Peter Zijlstra LKML-Reference: Signed-off-by: Ingo Molnar --- tools/perf/builtin-report.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index ec5361c67bf5..681c2233f882 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -100,6 +100,13 @@ struct lost_event { u64 lost; }; +struct read_event { + struct perf_event_header header; + u32 pid,tid; + u64 value; + u64 format[3]; +}; + typedef union event_union { struct perf_event_header header; struct ip_event ip; @@ -108,6 +115,7 @@ typedef union event_union { struct fork_event fork; struct period_event period; struct lost_event lost; + struct read_event read; } event_t; static LIST_HEAD(dsos); @@ -1349,6 +1357,19 @@ static void trace_event(event_t *event) dprintf(".\n"); } +static int +process_read_event(event_t *event, unsigned long offset, unsigned long head) +{ + dprintf("%p [%p]: PERF_EVENT_READ: %d %d %Lu\n", + (void *)(offset + head), + (void *)(long)(event->header.size), + event->read.pid, + event->read.tid, + event->read.value); + + return 0; +} + static int process_event(event_t *event, unsigned long offset, unsigned long head) { @@ -1373,6 +1394,9 @@ process_event(event_t *event, unsigned long offset, unsigned long head) case PERF_EVENT_LOST: return process_lost_event(event, offset, head); + case PERF_EVENT_READ: + return process_read_event(event, offset, head); + /* * We dont process them right now but they are fine: */