Age | Commit message (Collapse) | Author |
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Record field types have been modified due to commit 8ce35b2:
"Take out automatic insertion of 'undefined' from typed record fields".
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An error was introduced in commit f24d1ad9004b2885cd3b15ac0bf9d1407ca68bc8 which
reversed the sorting of all locks. This meant that the least contended locks was
printed instead of the most contended.
This commit reverses the reverse.
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Mitigate gen_server:cast/2 race conditions in testcases.
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* egil/lcnt:
Add test suite for lcnt in tools
Add lcnt:rt_opt/1 bindings to erts_debug
Add runtime option to enable/disable lcnt stats
Add auto width on string output
Add lcnt documentation
Add lock profiling tool
OTP-8424 Add lock profiling tool.
The Lock profiling tool, lcnt, can make use of the internal lock
statistics when the runtime system is built with this feature
enabled.
This provides a mechanism to examine potential lock bottlenecks
within the runtime itself.
- Add erts_debug:lock_counters({copy_save, bool()}). This option
enables or disables statistics saving for destroyed processes and
ets-tables. Enabling this might consume a lot of memory.
- Add id-numbering for lock classes which is otherwise undefined.
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Runtime options for copy_save.
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The Lock profiling tool, lcnt, can make use of the internal lock statistics
when the runtime system is built with this feature enabled.
This provides a mechanism to examine potential lock bottlenecks within
the runtime itself.
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