diff options
Diffstat (limited to 'tools/perf/util/process_events.c')
-rw-r--r-- | tools/perf/util/process_events.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/tools/perf/util/process_events.c b/tools/perf/util/process_events.c new file mode 100644 index 00000000000..a9204363efd --- /dev/null +++ b/tools/perf/util/process_events.c @@ -0,0 +1,64 @@ +#include "process_events.h" + +char *cwd; +int cwdlen; + +int +process_mmap_event(event_t *event, unsigned long offset, unsigned long head) +{ + struct map *map = map__new(&event->mmap, cwd, cwdlen); + struct thread *thread = threads__findnew(event->mmap.pid); + + dump_printf("%p [%p]: PERF_RECORD_MMAP %d/%d: [%p(%p) @ %p]: %s\n", + (void *)(offset + head), + (void *)(long)(event->header.size), + event->mmap.pid, + event->mmap.tid, + (void *)(long)event->mmap.start, + (void *)(long)event->mmap.len, + (void *)(long)event->mmap.pgoff, + event->mmap.filename); + + if (thread == NULL || map == NULL) { + dump_printf("problem processing PERF_RECORD_MMAP, skipping event.\n"); + return 0; + } + + thread__insert_map(thread, map); + total_mmap++; + + return 0; +} + +int +process_task_event(event_t *event, unsigned long offset, unsigned long head) +{ + struct thread *thread = threads__findnew(event->fork.pid); + struct thread *parent = threads__findnew(event->fork.ppid); + + dump_printf("%p [%p]: PERF_RECORD_%s: (%d:%d):(%d:%d)\n", + (void *)(offset + head), + (void *)(long)(event->header.size), + event->header.type == PERF_RECORD_FORK ? "FORK" : "EXIT", + event->fork.pid, event->fork.tid, + event->fork.ppid, event->fork.ptid); + + /* + * A thread clone will have the same PID for both + * parent and child. + */ + if (thread == parent) + return 0; + + if (event->header.type == PERF_RECORD_EXIT) + return 0; + + if (!thread || !parent || thread__fork(thread, parent)) { + dump_printf("problem processing PERF_RECORD_FORK, skipping event.\n"); + return -1; + } + total_fork++; + + return 0; +} + |