Messages in this thread | | | Date | Mon, 3 Feb 2014 10:46:41 +0000 | From | Will Deacon <> | Subject | Re: [PATCH V3 5/5] ARM CoreSight: ETM: Add PID control support |
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On Thu, Jan 30, 2014 at 04:11:10PM +0000, Adrien Vergé wrote: > In the same manner as for enabling tracing, an entry is created in > sysfs to set the PID that triggers tracing. This change is effective > only if CONFIG_PID_IN_CONTEXTIDR is set. > > When using PID namespaces, the virtual PID given by the user is > converted to the globally unique ID (task_pid_nr) that is present > in the Context ID register.
Hmm, I wonder whether debugfs would be more suitable for this?
Will -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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