The event kernel.sched_try_wakeup can occur for process already running (in
kernel/sched.c:try_to_wake_up). Hence, in this condition, this event must not
change the state of the process to LTTV_STATE_WAIT_CPU.
This patch supports SMP
---
lttv/lttv/state.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/lttv/lttv/state.c b/lttv/lttv/state.c
index bd3f64d..938f23e 100644
--- a/lttv/lttv/state.c
+++ b/lttv/lttv/state.c
@@ -2954,8 +2954,12 @@ static gboolean sched_try_wakeup(void *hook_data, void
*call_data)
(LttvTraceState*)s->parent.t_context,
woken_cpu, woken_pid,
&s->parent.timestamp);
- process->state->s = LTTV_STATE_WAIT_CPU;
- process->state->change = s->parent.timestamp;
+
+ if (process->state->s == LTTV_STATE_WAIT || process->state->s ==
LTTV_STATE_WAIT_FORK)
+ {
+ process->state->s = LTTV_STATE_WAIT_CPU;
+ process->state->change = s->parent.timestamp;
+ }
g_debug("Wakeup: process %d on CPU %u\n", woken_pid, woken_cpu);
--
1.7.1
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