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authorDapeng Mi <dapeng1.mi@linux.intel.com>2026-09-17 09:52:33 +0800
committerIngo Molnar <mingo@kernel.org>2026-09-22 11:37:46 +0200
commit0102c8c7fdfc4bd700971daff2b94470f4eafae4 (patch)
tree531306c2299f9a269f0a986e29f17ba972180104 /drivers/gpu/trace
downloadlinux-stable-0102c8c7fdfc4bd700971daff2b94470f4eafae4.tar.gz
linux-stable-0102c8c7fdfc4bd700971daff2b94470f4eafae4.zip
perf/x86/intel: Rename DMR offcore_rsp attribute to offmodule_rspgrafted
DMR introduces Offmodule Response events in place of the legacy Offcore Response events, but it still exposes the inherited offcore_rsp PMU attribute for programming the corresponding MSR data. Rename the DMR PMU attribute to offmodule_rsp so the sysfs interface matches the underlying event name and avoids user & tooling confusion. Signed-off-by: Dapeng Mi <dapeng1.mi@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://patch.msgid.link/20260917015234.981153-12-dapeng1.mi@linux.intel.com
Diffstat (limited to 'drivers/gpu/trace')
-rw-r--r--drivers/gpu/trace/Kconfig13
-rw-r--r--drivers/gpu/trace/Makefile3
-rw-r--r--drivers/gpu/trace/trace_gpu_mem.c13
3 files changed, 29 insertions, 0 deletions
diff --git a/drivers/gpu/trace/Kconfig b/drivers/gpu/trace/Kconfig
new file mode 100644
index 000000000..cd3d19c4a
--- /dev/null
+++ b/drivers/gpu/trace/Kconfig
@@ -0,0 +1,13 @@
+# SPDX-License-Identifier: GPL-2.0-only
+
+config TRACE_GPU_MEM
+ bool "Enable GPU memory usage tracepoints"
+ default n
+ help
+ Choose this option to enable tracepoints for tracking
+ global and per-process GPU memory usage. Intended for
+ performance profiling and required for Android.
+
+ Tracepoint availability varies by GPU driver.
+
+ If in doubt, say "N".
diff --git a/drivers/gpu/trace/Makefile b/drivers/gpu/trace/Makefile
new file mode 100644
index 000000000..b70fbdc58
--- /dev/null
+++ b/drivers/gpu/trace/Makefile
@@ -0,0 +1,3 @@
+# SPDX-License-Identifier: GPL-2.0
+
+obj-$(CONFIG_TRACE_GPU_MEM) += trace_gpu_mem.o
diff --git a/drivers/gpu/trace/trace_gpu_mem.c b/drivers/gpu/trace/trace_gpu_mem.c
new file mode 100644
index 000000000..01e855897
--- /dev/null
+++ b/drivers/gpu/trace/trace_gpu_mem.c
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * GPU memory trace points
+ *
+ * Copyright (C) 2020 Google, Inc.
+ */
+
+#include <linux/module.h>
+
+#define CREATE_TRACE_POINTS
+#include <trace/events/gpu_mem.h>
+
+EXPORT_TRACEPOINT_SYMBOL(gpu_mem_total);