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perf evlist: Tidy duplicated munmap code 

The same lines of code are used in three places.  Make it a new function
'__perf_evlist__munmap()'.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
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/r/1372944040-32690-8-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2013-07-04 16:20:26 +03:00 committed by Arnaldo Carvalho de Melo
parent b6b96fb48f
commit 93edcbd91d
1 changed files with 14 additions and 18 deletions
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32
tools/perf/util/evlist.c
View File

@ -403,16 +403,20 @@ union perf_event *perf_evlist__mmap_read(struct perf_evlist *evlist, int idx)
return event;
}
static void __perf_evlist__munmap(struct perf_evlist *evlist, int idx)
{
if (evlist->mmap[idx].base != NULL) {
munmap(evlist->mmap[idx].base, evlist->mmap_len);
evlist->mmap[idx].base = NULL;
}
}
void perf_evlist__munmap(struct perf_evlist *evlist)
{
int i;
for (i = 0; i < evlist->nr_mmaps; i++) {
if (evlist->mmap[i].base != NULL) {
munmap(evlist->mmap[i].base, evlist->mmap_len);
evlist->mmap[i].base = NULL;
}
}
for (i = 0; i < evlist->nr_mmaps; i++)
__perf_evlist__munmap(evlist, i);
free(evlist->mmap);
evlist->mmap = NULL;
@ -477,12 +481,8 @@ static int perf_evlist__mmap_per_cpu(struct perf_evlist *evlist, int prot, int m
return 0;
out_unmap:
for (cpu = 0; cpu < nr_cpus; cpu++) {
if (evlist->mmap[cpu].base != NULL) {
munmap(evlist->mmap[cpu].base, evlist->mmap_len);
evlist->mmap[cpu].base = NULL;
}
}
for (cpu = 0; cpu < nr_cpus; cpu++)
__perf_evlist__munmap(evlist, cpu);
return -1;
}
@ -517,12 +517,8 @@ static int perf_evlist__mmap_per_thread(struct perf_evlist *evlist, int prot, in
return 0;
out_unmap:
for (thread = 0; thread < nr_threads; thread++) {
if (evlist->mmap[thread].base != NULL) {
munmap(evlist->mmap[thread].base, evlist->mmap_len);
evlist->mmap[thread].base = NULL;
}
}
for (thread = 0; thread < nr_threads; thread++)
__perf_evlist__munmap(evlist, thread);
return -1;
}