Linus Torvalds 5172a77724 tracing tools changes for 6.17: ... - Introduce enum timerlat_tracing_mode Now that BPF based sampling has been added to timerlat, add an enum to represent which mode timerlat is running in. - Add action on timelat threshold feature A new option, --on-threshold, is added, taking an argument that further specifies the action. Actions added in this patch are: - trace[,file=<filename>]: Saves tracefs buffer, optionally taking a filename. - signal,num=<sig>,pid=<pid>: Sends signal to process. "parent" might be specified instead of number to send signal to parent process. - shell,command=<command>: Execute shell command. - Allow resuming tracing in timerlat bpf rtla-timerlat BPF program uses a global variable stored in a .bss section to store whether tracing has been stopped. Map it to allow it to resume tracing after it has been stopped. - Add continue action to timerlat Introduce option to resume tracing after a latency threshold overflow. The option is implemented as an action named "continue". - Add action on end feature to timerlat Implement actions on end next to actions on threshold. A new option, --on-end is added, parallel to --on-threshold. Instead of being executed whenever a latency threshold is reached, it is executed at the end of the measurement. - Have rtla tests check output with grep Add argument to the check command in the test suite that takes a regular expression that the output of rtla command is checked against. This allows testing for specific information in rtla output in addition to checking the return value. - Add tests for timerlat actions - Update the documentation for the new features -----BEGIN PGP SIGNATURE----- iIoEABYKADIWIQRRSw7ePDh/lE+zeZMp5XQQmuv6qgUCaIuAtBQccm9zdGVkdEBn b29kbWlzLm9yZwAKCRAp5XQQmuv6qk1uAQCzkGc7IUqp8038HU0aZoOwSxS04ma3 NvrF0Vuw8wvVqgD+Pogi1M7fr3LyXHzW4k3Vx7Ot3YSy52T6aCohjcKQ0wo= =P46B -----END PGP SIGNATURE----- Merge tag 'trace-tools-v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace Pull tracing tools updates from Steven Rostedt: - Introduce enum timerlat_tracing_mode Now that BPF based sampling has been added to timerlat, add an enum to represent which mode timerlat is running in - Add action on timelat threshold feature A new option, --on-threshold, is added, taking an argument that further specifies the action. Actions added in this patch are: - trace[,file=<filename>]: Saves tracefs buffer, optionally taking a filename - signal,num=<sig>,pid=<pid>: Sends signal to process. "parent" might be specified instead of number to send signal to parent process - shell,command=<command>: Execute shell command - Allow resuming tracing in timerlat bpf rtla-timerlat BPF program uses a global variable stored in a .bss section to store whether tracing has been stopped. Map it to allow it to resume tracing after it has been stopped - Add continue action to timerlat Introduce option to resume tracing after a latency threshold overflow. The option is implemented as an action named "continue" - Add action on end feature to timerlat Implement actions on end next to actions on threshold. A new option, --on-end is added, parallel to --on-threshold. Instead of being executed whenever a latency threshold is reached, it is executed at the end of the measurement - Have rtla tests check output with grep Add argument to the check command in the test suite that takes a regular expression that the output of rtla command is checked against. This allows testing for specific information in rtla output in addition to checking the return value - Add tests for timerlat actions - Update the documentation for the new features * tag 'trace-tools-v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace: rtla/tests: Test timerlat -P option using actions rtla/tests: Add grep checks for base test cases Documentation/rtla: Add actions feature rtla/tests: Limit duration to maximum of 10s rtla/tests: Add tests for actions rtla/tests: Check rtla output with grep rtla/timerlat: Add action on end feature rtla/timerlat: Add continue action rtla/timerlat_bpf: Allow resuming tracing rtla/timerlat: Add action on threshold feature rtla/timerlat: Introduce enum timerlat_tracing_mode		2025-08-01 10:23:13 -07:00
..
rtla	tracing tools changes for 6.17:	2025-08-01 10:23:13 -07:00
rv	Documentation/rv: Add sched pages to the indices	2025-03-27 12:02:38 -04:00
index.rst	Documentation/rv: Add verification/rv man pages	2022-12-09 18:06:24 -05:00