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 <avagin@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-p936ngz06yo5h797ggsm7xru@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 17 insertions, 24 deletions

diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c
index ffb93f424953..fc6607b383f2 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;
 }