diff options
Diffstat (limited to 'driver/gator_trace_sched.c')
| -rw-r--r-- | driver/gator_trace_sched.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/driver/gator_trace_sched.c b/driver/gator_trace_sched.c index ad7c39e..700dd2e 100644 --- a/driver/gator_trace_sched.c +++ b/driver/gator_trace_sched.c @@ -104,13 +104,19 @@ static void collect_counters(u64 time, struct task_struct *task, bool sched_swit list_for_each_entry(gi, &gator_events, list) { if (gi->read) { len = gi->read(&buffer, sched_switch); + if (len < 0) + pr_err("gator: read failed for %s\n", gi->name); marshal_event(len, buffer); } else if (gi->read64) { - len = gi->read64(&buffer64); + len = gi->read64(&buffer64, sched_switch); + if (len < 0) + pr_err("gator: read64 failed for %s\n", gi->name); marshal_event64(len, buffer64); } if (gi->read_proc && task != NULL) { len = gi->read_proc(&buffer64, task); + if (len < 0) + pr_err("gator: read_proc failed for %s\n", gi->name); marshal_event64(len, buffer64); } } |