From 22ad798c37cb554afae79a72c1d420ecb4d27b86 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Tue, 7 Aug 2012 10:56:43 -0300 Subject: [PATCH] perf kmem: Use evsel->tp_format and perf_sample To reduce the number of parameters passed to the various event handling functions. Cc: Andrey Wagin Cc: David Ahern Cc: Frederic Weisbecker Cc: Jiri Olsa Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-p936ngz06yo5h797ggsm7xru@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-kmem.c | 41 +++++++++++++++++------------------------ 1 file changed, 17 insertions(+), 24 deletions(-) diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c index ffb93f42..fc6607b 100644 --- a/tools/perf/builtin-kmem.c +++ b/tools/perf/builtin-kmem.c @@ -192,16 +192,15 @@ static void insert_caller_stat(unsigned long call_site, } } -static void process_alloc_event(void *data, - struct event_format *event, - int cpu, - u64 timestamp __used, - struct thread *thread __used, - int node) +static void perf_evsel__process_alloc_event(struct perf_evsel *evsel, + struct perf_sample *sample, + int node) { + struct event_format *event = evsel->tp_format; + void *data = sample->raw_data; unsigned long call_site; unsigned long ptr; - int bytes_req; + int bytes_req, cpu = sample->cpu; int bytes_alloc; int node1, node2; @@ -253,22 +252,18 @@ static struct alloc_stat *search_alloc_stat(unsigned long ptr, return NULL; } -static void process_free_event(void *data, - struct event_format *event, - int cpu, - u64 timestamp __used, - struct thread *thread __used) +static void perf_evsel__process_free_event(struct perf_evsel *evsel, + struct perf_sample *sample) { - unsigned long ptr; + unsigned long ptr = raw_field_value(evsel->tp_format, "ptr", + sample->raw_data); struct alloc_stat *s_alloc, *s_caller; - ptr = raw_field_value(event, "ptr", data); - s_alloc = search_alloc_stat(ptr, 0, &root_alloc_stat, ptr_cmp); if (!s_alloc) return; - if (cpu != s_alloc->alloc_cpu) { + if ((short)sample->cpu != s_alloc->alloc_cpu) { s_alloc->pingpong++; s_caller = search_alloc_stat(0, s_alloc->call_site, @@ -279,26 +274,26 @@ static void process_free_event(void *data, s_alloc->alloc_cpu = -1; } -static void process_raw_event(struct perf_evsel *evsel, void *data, - int cpu, u64 timestamp, struct thread *thread) +static void perf_evsel__process_kmem_event(struct perf_evsel *evsel, + struct perf_sample *sample) { struct event_format *event = evsel->tp_format; if (!strcmp(event->name, "kmalloc") || !strcmp(event->name, "kmem_cache_alloc")) { - process_alloc_event(data, event, cpu, timestamp, thread, 0); + perf_evsel__process_alloc_event(evsel, sample, 0); return; } if (!strcmp(event->name, "kmalloc_node") || !strcmp(event->name, "kmem_cache_alloc_node")) { - process_alloc_event(data, event, cpu, timestamp, thread, 1); + perf_evsel__process_alloc_event(evsel, sample, 1); return; } if (!strcmp(event->name, "kfree") || !strcmp(event->name, "kmem_cache_free")) { - process_free_event(data, event, cpu, timestamp, thread); + perf_evsel__process_free_event(evsel, sample); return; } } @@ -319,9 +314,7 @@ static int process_sample_event(struct perf_tool *tool __used, dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid); - process_raw_event(evsel, sample->raw_data, sample->cpu, - sample->time, thread); - + perf_evsel__process_kmem_event(evsel, sample); return 0; } -- 2.7.4