#37060
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Ran 15 Nov 2021 01:12PM UTC

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Files 364

Run time 4min

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Build # #37060

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push

local

Committed by

web-flow

Commit Message

Make profiling more robust with many tasks (#42978)

This patch includes two sets of changes.

(1) `jl_thread_suspend_and_get_state` uses `pthread_cond_timedwait` to
recover from the case where the request is not received by the signal
handler. This is required because `usr2_handler` contains some paths
for the case where it is not possible to obtain `ptls`.

(2) `ctx_switch` now makes sure to null out `ptls` of the last task
(`lastt->ptls = NULL`) after changing the current task by updating
pgcstack (`jl_set_pgcstack(&t->gcstack)`).  This closes the gap in
which `usr2_handler` can observe the null `ptls`.

Co-authored-by: Jameson Nash <vtjnash@gmail.com>

Run Details

71585 of 80080 relevant lines covered (89.39%)

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Jobs

ID	Job ID	Ran	Files	Coverage
1	#37060.1	15 Nov 2021 01:12PM UTC	0	89.39

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