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Mathieu Desnoyers

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10/15/2019

03:58 PM LTTng-modules Revision 47491cdf (lttng-modules): README.md: Document LTTNG_TRACEPOINT_EVENT
Suggested-by: David Boles <blioboles@gmail.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers
03:56 PM LTTng-modules Revision 6bb4326c (lttng-modules): README.md: cleanup formatting for bullet lists
Suggested-by: David Boles <biblioboles@gmail.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Mathieu Desnoyers

10/11/2019

11:15 AM LTTng-UST Bug #1202 (Resolved): Deadlock in probe record code when perf counters enabled
Applied in changeset commit:lttng-ust|20142124a2e34c287a277bbd7ef5b28697735d10. Mathieu Desnoyers
11:04 AM LTTng-UST Bug #1202: Deadlock in probe record code when perf counters enabled
Thanks for confirming that the proposed fix actually fixes the issue.
I succeeded in reproducing the deadlock with...
Mathieu Desnoyers
10:53 AM LTTng-UST Revision 20142124 (lttng-ust): Fix: lttng perf counter deadlock
Using the ust_lock() to lazily setup the perf counters introduces
a scenario where this lock is nested within the urc...
Mathieu Desnoyers
10:15 AM LTTng-UST Bug #1204 (Resolved): Application is aborted immediately with coredump if ust-fd is preload
Applied in changeset commit:lttng-ust|793d29c9367a58c2a368bc1ccb11b01c2d2bdac2. Mathieu Desnoyers
10:14 AM LTTng-UST Bug #1204: Application is aborted immediately with coredump if ust-fd is preload
I missed that non-listener-threads can close file descriptors in destructors. So let's keep this change for later and... Mathieu Desnoyers
10:11 AM LTTng-UST Revision 793d29c9 (lttng-ust): Revert "Fix: fd tracker: do not allow signal handlers to close lttng-ust FDs"
This reverts commit 48a143c09cc97bf7a2ace811277e7d60b294b5f6.
Fixes: #1204
Signed-off-by: Mathieu Desnoyers <mathieu...
Mathieu Desnoyers

10/09/2019

12:46 PM LTTng-UST Bug #1202 (Needs feedback): Deadlock in probe record code when perf counters enabled
Mathieu Desnoyers
12:46 PM LTTng-UST Bug #1202: Deadlock in probe record code when perf counters enabled
Hi Anton,
Thanks for reporting this issue. Can you test with the attached patch ?
I tried reproducing the issue...
Mathieu Desnoyers

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