Author: Tobias Weber <tobias_webe...@gmx.de>
Branch: c8-overheads-instrumentation
Changeset: r2032:6c8ad9d4223c
Date: 2017-03-15 13:25 +0100
http://bitbucket.org/pypy/stmgc/changeset/6c8ad9d4223c/
Log: Fix logger accesses to running thread info after it has already been
reset
diff --git a/c8/stm/core.c b/c8/stm/core.c
--- a/c8/stm/core.c
+++ b/c8/stm/core.c
@@ -159,6 +159,7 @@
/* returns true if we reached a valid state, or false if
we need to abort now */
start_timer();
+ stm_thread_local_t *thread_local_for_logging = STM_SEGMENT->running_thread;
dprintf(("_stm_validate() at cl=%p, rev=%lu\n",
STM_PSEGMENT->last_commit_log_entry,
STM_PSEGMENT->last_commit_log_entry->rev_num));
@@ -174,7 +175,10 @@
if (STM_PSEGMENT->transaction_state == TS_INEVITABLE) {
assert(first_cl->next == INEV_RUNNING);
- stop_timer_and_publish(STM_DURATION_VALIDATION);
+ if (thread_local_for_logging != NULL) {
+ stop_timer_and_publish_for_thread(
+ thread_local_for_logging, STM_DURATION_VALIDATION);
+ }
return true;
}
@@ -342,7 +346,10 @@
release_privatization_lock(my_segnum);
}
- stop_timer_and_publish(STM_DURATION_VALIDATION);
+ if (thread_local_for_logging != NULL) {
+ stop_timer_and_publish_for_thread(
+ thread_local_for_logging, STM_DURATION_VALIDATION);
+ }
return !needs_abort;
}
@@ -1219,6 +1226,7 @@
static void _core_commit_transaction(bool external)
{
start_timer();
+ stm_thread_local_t *thread_local_for_logging = STM_SEGMENT->running_thread;
exec_local_finalizers();
@@ -1316,7 +1324,8 @@
s_mutex_unlock();
- stop_timer_and_publish(STM_DURATION_COMMIT_EXCEPT_GC);
+ stop_timer_and_publish_for_thread(
+ thread_local_for_logging, STM_DURATION_COMMIT_EXCEPT_GC);
/* between transactions, call finalizers. this will execute
a transaction itself */
diff --git a/c8/stm/gcpage.c b/c8/stm/gcpage.c
--- a/c8/stm/gcpage.c
+++ b/c8/stm/gcpage.c
@@ -747,6 +747,8 @@
dprintf((" .----- major collection -----------------------\n"));
assert(_has_mutex());
+ stm_thread_local_t *thread_local_for_logging = STM_SEGMENT->running_thread;
+
/* first, force a minor collection in each of the other segments */
major_do_validation_and_minor_collections();
@@ -784,8 +786,9 @@
if (must_abort())
abort_with_mutex();
- stop_timer_and_publish(STM_DURATION_MAJOR_GC_LOG_ONLY);
-
+ stop_timer_and_publish_for_thread(
+ thread_local_for_logging, STM_DURATION_MAJOR_GC_LOG_ONLY);
+
return;
#endif
}
@@ -843,5 +846,6 @@
if (must_abort())
abort_with_mutex();
- stop_timer_and_publish(STM_DURATION_MAJOR_GC_FULL);
+ stop_timer_and_publish_for_thread(
+ thread_local_for_logging, STM_DURATION_MAJOR_GC_FULL);
}
diff --git a/c8/stm/timing.h b/c8/stm/timing.h
--- a/c8/stm/timing.h
+++ b/c8/stm/timing.h
@@ -10,10 +10,8 @@
continue_timer()
/* Must use start_timer before using this macro. */
-#define get_duration() duration.tv_sec = \
- stop.tv_sec - start.tv_sec + duration.tv_sec; \
- duration.tv_nsec = \
- stop.tv_nsec - start.tv_nsec + duration.tv_nsec;
+#define get_duration() duration.tv_sec += stop.tv_sec - start.tv_sec; \
+ duration.tv_nsec += stop.tv_nsec - start.tv_nsec;
#define pause_timer() clock_gettime(CLOCK_MONOTONIC_RAW, &stop); \
get_duration()
@@ -24,12 +22,16 @@
stm_timing_event_payload_t stm_duration_payload = \
{ STM_EVENT_PAYLOAD_DURATION, stm_duration_data };
-#define publish_event(event) \
+#define publish_event(thread_local, event) \
(timing_enabled() ? \
- stmcb_timing_event( \
- STM_SEGMENT->running_thread, event, &stm_duration_payload) : \
+ stmcb_timing_event(thread_local, event, &stm_duration_payload) : \
(void)0);
-#define stop_timer_and_publish(event) pause_timer() \
- stm_duration_payload(duration) \
- publish_event(event)
+#define stop_timer_and_publish_for_thread(thread_local, event) \
+ pause_timer() \
+ stm_duration_payload(duration) \
+ assert(thread_local != NULL); \
+ publish_event(thread_local, event)
+
+#define stop_timer_and_publish(event) \
+ stop_timer_and_publish_for_thread(STM_SEGMENT->running_thread, event)
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