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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-07-25 16:06:19 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-07-25 16:06:19 +0200 |
| commit | 4152ab377b55e9d3e5700de00ef799519ead698d (patch) | |
| tree | f0b01d51b9efe519ecbc9827bf1116de2a2317c3 /tools | |
| parent | perf buildid-cache: Zero out buffer of filenames when adding/removing buildid (diff) | |
| download | linux-4152ab377b55e9d3e5700de00ef799519ead698d.tar.xz linux-4152ab377b55e9d3e5700de00ef799519ead698d.zip | |
perf evlist: Introduce 'disable' method
To remove the last case of access to the FD() macro outside the library.
Inspired by a patch by Borislav that moved the FD() macro to util.h, for
namespace concerns I rather preferred to constrain it to ev{sel,list}.c.
Cc: Borislav Petkov <bp@amd64.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
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-qn893qsstcg366tkucu649qj@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/builtin-record.c | 19 | ||||
| -rw-r--r-- | tools/perf/util/evlist.c | 13 | ||||
| -rw-r--r-- | tools/perf/util/evlist.h | 2 |
3 files changed, 17 insertions, 17 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 80dc5b790e47..f6426b496f4a 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -30,8 +30,6 @@ #include <sched.h> #include <sys/mman.h> -#define FD(e, x, y) (*(int *)xyarray__entry(e->fd, x, y)) - enum write_mode_t { WRITE_FORCE, WRITE_APPEND @@ -438,7 +436,6 @@ static void mmap_read_all(void) static int __cmd_record(int argc, const char **argv) { - int i; struct stat st; int flags; int err; @@ -682,7 +679,6 @@ static int __cmd_record(int argc, const char **argv) for (;;) { int hits = samples; - int thread; mmap_read_all(); @@ -693,19 +689,8 @@ static int __cmd_record(int argc, const char **argv) waking++; } - if (done) { - for (i = 0; i < evsel_list->cpus->nr; i++) { - struct perf_evsel *pos; - - list_for_each_entry(pos, &evsel_list->entries, node) { - for (thread = 0; - thread < evsel_list->threads->nr; - thread++) - ioctl(FD(pos, i, thread), - PERF_EVENT_IOC_DISABLE); - } - } - } + if (done) + perf_evlist__disable(evsel_list); } if (quiet || signr == SIGUSR1) diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index b021ea9265c3..e03e7bc8205e 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -91,6 +91,19 @@ int perf_evlist__add_default(struct perf_evlist *evlist) return 0; } +void perf_evlist__disable(struct perf_evlist *evlist) +{ + int cpu, thread; + struct perf_evsel *pos; + + for (cpu = 0; cpu < evlist->cpus->nr; cpu++) { + list_for_each_entry(pos, &evlist->entries, node) { + for (thread = 0; thread < evlist->threads->nr; thread++) + ioctl(FD(pos, cpu, thread), PERF_EVENT_IOC_DISABLE); + } + } +} + int perf_evlist__alloc_pollfd(struct perf_evlist *evlist) { int nfds = evlist->cpus->nr * evlist->threads->nr * evlist->nr_entries; diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index b2b862374f37..ce85ae9ae57a 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -53,6 +53,8 @@ int perf_evlist__alloc_mmap(struct perf_evlist *evlist); int perf_evlist__mmap(struct perf_evlist *evlist, int pages, bool overwrite); void perf_evlist__munmap(struct perf_evlist *evlist); +void perf_evlist__disable(struct perf_evlist *evlist); + static inline void perf_evlist__set_maps(struct perf_evlist *evlist, struct cpu_map *cpus, struct thread_map *threads) |