layered: Add ability to match by process name #240
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Some people have expressed confusion at this behavior. Let's be a bit more explicit in the documentation. Signed-off-by: David Vernet <[email protected]>
htejun
approved these changes
Apr 24, 2024
If a library creates threads, those threads will often have the same name. If two different processes of different priority both use a library, it may be that we want the library's threads in each process to be put into different layers. To support this, let's add the ability to filter not only by task name, but also by process name via the task thread group leader's comm. Tested by creating two executables named "foo" and "bar", which both spawn a bunch of tasks named "exp_worker" that spin until being interrupted. With this config: https://pastebin.com/Uz2phzxQ, the tasks were correctly matched to the expected layers. Signed-off-by: David Vernet <[email protected]>
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If a library creates threads, those threads will often have the same
name. If two different processes of different priority both use a
library, it may be that we want the library's threads in each process to
be put into different layers.
To support this, let's add the ability to filter not only by task name,
but also by process name via the task thread group leader's comm.
Tested by creating two executables named "foo" and "bar", which both
spawn a bunch of tasks named "exp_worker" that spin until being
interrupted. With this config: https://pastebin.com/QSGwnkDF, the tasks
were correctly matched to the expected layers.