From: Arnaldo Carvalho de Melo Date: Fri, 15 Jan 2010 20:08:26 +0000 (-0200) Subject: perf record: Intercept all events X-Git-Tag: firefly_0821_release~9833^2~3019^2~120 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f5a2c3dce0;p=firefly-linux-kernel-4.4.55.git perf record: Intercept all events The event interception we need to do in 'perf record' to create a list of all DSOs in PERF_RECORD_MMAP events wasn't seeing all events, make sure that happens by checking size agains event_t->header.size. Signed-off-by: Arnaldo Carvalho de Melo Cc: Frédéric Weisbecker Cc: Mike Galbraith Cc: Peter Zijlstra Cc: Paul Mackerras LKML-Reference: <1263586107-1756-1-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar --- diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 614fa9a4c67c..7bb9ca1b30fa 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -113,16 +113,24 @@ static void write_output(void *buf, size_t size) static void write_event(event_t *buf, size_t size) { - /* - * Add it to the list of DSOs, so that when we finish this - * record session we can pick the available build-ids. - */ - if (buf->header.type == PERF_RECORD_MMAP) { - struct list_head *head = &dsos__user; - if (buf->mmap.header.misc == 1) - head = &dsos__kernel; - __dsos__findnew(head, buf->mmap.filename); - } + size_t processed_size = buf->header.size; + event_t *ev = buf; + + do { + /* + * Add it to the list of DSOs, so that when we finish this + * record session we can pick the available build-ids. + */ + if (ev->header.type == PERF_RECORD_MMAP) { + struct list_head *head = &dsos__user; + if (ev->header.misc == 1) + head = &dsos__kernel; + __dsos__findnew(head, ev->mmap.filename); + } + + ev = ((void *)ev) + ev->header.size; + processed_size += ev->header.size; + } while (processed_size < size); write_output(buf, size); }