diff options
Diffstat (limited to 'tools/perf/util/event.c')
| -rw-r--r-- | tools/perf/util/event.c | 36 |
1 files changed, 23 insertions, 13 deletions
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index 416ba80c628f..d7d986d8f23e 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -213,19 +213,19 @@ static int perf_event__synthesize_fork(struct perf_tool *tool, return 0; } -#define PROC_MAP_PARSE_TIMEOUT (500 * 1000000ULL) - int perf_event__synthesize_mmap_events(struct perf_tool *tool, union perf_event *event, pid_t pid, pid_t tgid, perf_event__handler_t process, struct machine *machine, - bool mmap_data) + bool mmap_data, + unsigned int proc_map_timeout) { char filename[PATH_MAX]; FILE *fp; unsigned long long t; bool truncation = false; + unsigned long long timeout = proc_map_timeout * 1000000ULL; int rc = 0; if (machine__is_default_guest(machine)) @@ -258,8 +258,11 @@ int perf_event__synthesize_mmap_events(struct perf_tool *tool, if (fgets(bf, sizeof(bf), fp) == NULL) break; - if ((rdclock() - t) > PROC_MAP_PARSE_TIMEOUT) { - pr_warning("Reading %s time out.\n", filename); + if ((rdclock() - t) > timeout) { + pr_warning("Reading %s time out. " + "You may want to increase " + "the time limit by --proc-map-timeout\n", + filename); truncation = true; goto out; } @@ -404,7 +407,9 @@ static int __event__synthesize_thread(union perf_event *comm_event, pid_t pid, int full, perf_event__handler_t process, struct perf_tool *tool, - struct machine *machine, bool mmap_data) + struct machine *machine, + bool mmap_data, + unsigned int proc_map_timeout) { char filename[PATH_MAX]; DIR *tasks; @@ -421,7 +426,8 @@ static int __event__synthesize_thread(union perf_event *comm_event, return -1; return perf_event__synthesize_mmap_events(tool, mmap_event, pid, tgid, - process, machine, mmap_data); + process, machine, mmap_data, + proc_map_timeout); } if (machine__is_default_guest(machine)) @@ -462,7 +468,7 @@ static int __event__synthesize_thread(union perf_event *comm_event, if (_pid == pid) { /* process the parent's maps too */ rc = perf_event__synthesize_mmap_events(tool, mmap_event, pid, tgid, - process, machine, mmap_data); + process, machine, mmap_data, proc_map_timeout); if (rc) break; } @@ -476,7 +482,8 @@ int perf_event__synthesize_thread_map(struct perf_tool *tool, struct thread_map *threads, perf_event__handler_t process, struct machine *machine, - bool mmap_data) + bool mmap_data, + unsigned int proc_map_timeout) { union perf_event *comm_event, *mmap_event, *fork_event; int err = -1, thread, j; @@ -499,7 +506,7 @@ int perf_event__synthesize_thread_map(struct perf_tool *tool, fork_event, threads->map[thread], 0, process, tool, machine, - mmap_data)) { + mmap_data, proc_map_timeout)) { err = -1; break; } @@ -525,7 +532,7 @@ int perf_event__synthesize_thread_map(struct perf_tool *tool, fork_event, comm_event->comm.pid, 0, process, tool, machine, - mmap_data)) { + mmap_data, proc_map_timeout)) { err = -1; break; } @@ -542,7 +549,9 @@ out: int perf_event__synthesize_threads(struct perf_tool *tool, perf_event__handler_t process, - struct machine *machine, bool mmap_data) + struct machine *machine, + bool mmap_data, + unsigned int proc_map_timeout) { DIR *proc; char proc_path[PATH_MAX]; @@ -582,7 +591,8 @@ int perf_event__synthesize_threads(struct perf_tool *tool, * one thread couldn't be synthesized. */ __event__synthesize_thread(comm_event, mmap_event, fork_event, pid, - 1, process, tool, machine, mmap_data); + 1, process, tool, machine, mmap_data, + proc_map_timeout); } err = 0; |