perf record: Use struct perf_mmap and helpers
Commit-ID: 744bd8aa3c8b43447f689a27872fa95e700b8a4f Gitweb: http://git.kernel.org/tip/744bd8aa3c8b43447f689a27872fa95e700b8a4f Author: Arnaldo Carvalho de Melo <[email protected]> AuthorDate: Wed, 12 Jan 2011 17:07:28 -0200 Committer: Arnaldo Carvalho de Melo <[email protected]> CommitDate: Sat, 22 Jan 2011 19:56:29 -0200
perf record: Use struct perf_mmap and helpers
Paving the way to using perf_evsel->mmap, do this to reduce the patch noise in the next ones.
Cc: Frederic Weisbecker <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Cc: Tom Zanussi <[email protected]>
LKML-Reference: <new-submission>
Signed-off-by Arnaldo Carvalho de Melo <[email protected]>
--- tools/perf/builtin-record.c | 25 ++++--------------------- 1 files changed, 4 insertions(+), 21 deletions(-)
tools/perf/builtin-record.c +4 -21
@@ -78,26 +78,9 @@ static off_t post_processing_offset;static struct perf_session *session;static const char *cpu_list; -struct mmap_data { -void *base; -unsigned int mask; -unsigned int prev; -}; - -static struct mmap_data mmap_array[MAX_NR_CPUS ]; - -static unsigned long mmap_read_head (struct mmap_data *md) -{ -struct perf_event_mmap_page *pc = md->base; -long head; - - head = pc->data_head; -rmb (); - -return head; -} +static struct perf_mmap mmap_array[MAX_NR_CPUS ]; -static void mmap_write_tail (struct mmap_data *md,unsigned long tail) +static void mmap_write_tail (struct perf_mmap *md,unsigned long tail) {struct perf_event_mmap_page *pc = md->base;
@@ -136,9 +119,9 @@ static int process_synthesized_event(event_t *event,return 0 ; } -static void mmap_read (struct mmap_data *md) +static void mmap_read (struct perf_mmap *md) { -unsigned int head =mmap_read_head (md); +unsigned int head =perf_mmap__read_head (md);unsigned int old = md->prev;unsigned char *data = md->base + page_size;unsigned long size;