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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 dash and colon characters we need to transliterate them to something else. We choose an underscore. v2: * Use strreplace. (Chris) * Dashes are not good either. (Chris) Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Reported-by: Dmitry Rogozhkin <dmitry.v.rogozhkin@intel.com> Fixes:05488673a4("drm/i915/pmu: Support multiple GPUs") Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com> Cc: Andi Kleen <ak@linux.intel.com> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Link: https://patchwork.freedesktop.org/patch/msgid/20200110113253.12535-1-tvrtko.ursulin@linux.intel.com (cherry picked from commitaebf3b521b) Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>