On 10/01/2020 11:21, Chris Wilson wrote:
Quoting Tvrtko Ursulin (2020-01-10 11:11:26)From: Tvrtko Ursulin <tvrtko.ursu...@intel.com> We use PCI device path in the registered PMU name in order to distinguish between multiple GPUs. But since tools/perf reserves a special meaning to the colon character we need to transliterate them to something else. We choose a dash. Signed-off-by: Tvrtko Ursulin <tvrtko.ursu...@intel.com> Reported-by: Dmitry Rogozhkin <dmitry.v.rogozh...@intel.com> Fixes: 05488673a4d4 ("drm/i915/pmu: Support multiple GPUs") Cc: Chris Wilson <ch...@chris-wilson.co.uk> Cc: Michal Wajdeczko <michal.wajdec...@intel.com> Cc: Andi Kleen <a...@linux.intel.com> --- drivers/gpu/drm/i915/i915_pmu.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c index f3ef6700a5f2..ecbd0e1f1a90 100644 --- a/drivers/gpu/drm/i915/i915_pmu.c +++ b/drivers/gpu/drm/i915/i915_pmu.c @@ -1117,12 +1117,22 @@ void i915_pmu_register(struct drm_i915_private *i915) hrtimer_init(&pmu->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL); pmu->timer.function = i915_sample;- if (!is_igp(i915))+ if (!is_igp(i915)) { pmu->name = kasprintf(GFP_KERNEL, "i915-%s", dev_name(i915->drm.dev)); - else + if (pmu->name) {/* tools/perf reserves colons as special. */ strreplace(pmu->name, ':', '-');
I didn't know this exists, thanks.
I worry because the err_idx pointed to the '-'. We may have to use _
What is err_idx? But yes.. it would had served me well to test before sending. :) I just find identifiers with a mix of underscores and dashes so visually unappealing. :(
Regards, Tvrtko _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
