Messages in this thread | | | Date | Thu, 25 Apr 2024 20:08:09 +0100 | Subject | Re: [PATCH v2 1/3] thermal/debugfs: Create records for cdev states as they get used | From | Lukasz Luba <> |
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On 4/25/24 15:03, Rafael J. Wysocki wrote: > From: Rafael J. Wysocki <rafael.j.wysocki@intel.com> > > Because thermal_debug_cdev_state_update() only creates a duration record > for the old state of a cooling device, if its new state is used for the > first time, there will be no record for it and cdev_dt_seq_show() will > not print the duration information for it even though it contains code > to compute the duration value in that case. > > Address this by making thermal_debug_cdev_state_update() create a > duration record for the new state if there is none. > > Fixes: 755113d76786 ("thermal/debugfs: Add thermal cooling device debugfs information") > Reported-by: Lukasz Luba <lukasz.luba@arm.com> > Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> > --- > drivers/thermal/thermal_debugfs.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > Index: linux-pm/drivers/thermal/thermal_debugfs.c > =================================================================== > --- linux-pm.orig/drivers/thermal/thermal_debugfs.c > +++ linux-pm/drivers/thermal/thermal_debugfs.c > @@ -433,6 +433,14 @@ void thermal_debug_cdev_state_update(con > } > > cdev_dbg->current_state = new_state; > + > + /* > + * Create a record for the new state if it is not there, so its > + * duration will be printed by cdev_dt_seq_show() as expected if it > + * runs before the next state transition. > + */ > + thermal_debugfs_cdev_record_get(thermal_dbg, cdev_dbg->durations, new_state); > + > transition = (old_state << 16) | new_state; > > /* > > > >
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
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