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authorDaniel Vetter <daniel.vetter@ffwll.ch>2012-08-17 08:57:56 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2012-08-17 09:01:08 +0200
commita22ddff8bedfe33eeb1330bbb7ef1fbe007a42c4 (patch)
tree61a2eb7fa62f5af10c2b913ca429e6b068b0eb2d /arch/arm/oprofile/common.c
parentdrm/i915: don't grab dev->struct_mutex for userspace forcewak (diff)
parentLinux 3.6-rc2 (diff)
downloadlinux-dev-a22ddff8bedfe33eeb1330bbb7ef1fbe007a42c4.tar.xz
linux-dev-a22ddff8bedfe33eeb1330bbb7ef1fbe007a42c4.zip
Merge tag 'v3.6-rc2' into drm-intel-next
Backmerge Linux 3.6-rc2 to resolve a few funny conflicts before we put even more madness on top: - drivers/gpu/drm/i915/i915_irq.c: Just a spurious WARN removed in -fixes, that has been changed in a variable-rename in -next, too. - drivers/gpu/drm/i915/intel_ringbuffer.c: -next remove scratch_addr (since all their users have been extracted in another fucntion), -fixes added another user for a hw workaroudn. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'arch/arm/oprofile/common.c')
-rw-r--r--arch/arm/oprofile/common.c45
1 files changed, 28 insertions, 17 deletions
diff --git a/arch/arm/oprofile/common.c b/arch/arm/oprofile/common.c
index 4e0a371630b3..99c63d4b6af8 100644
--- a/arch/arm/oprofile/common.c
+++ b/arch/arm/oprofile/common.c
@@ -23,26 +23,37 @@
#include <asm/ptrace.h>
#ifdef CONFIG_HW_PERF_EVENTS
+
+/*
+ * OProfile has a curious naming scheme for the ARM PMUs, but they are
+ * part of the user ABI so we need to map from the perf PMU name for
+ * supported PMUs.
+ */
+static struct op_perf_name {
+ char *perf_name;
+ char *op_name;
+} op_perf_name_map[] = {
+ { "xscale1", "arm/xscale1" },
+ { "xscale1", "arm/xscale2" },
+ { "v6", "arm/armv6" },
+ { "v6mpcore", "arm/mpcore" },
+ { "ARMv7 Cortex-A8", "arm/armv7" },
+ { "ARMv7 Cortex-A9", "arm/armv7-ca9" },
+};
+
char *op_name_from_perf_id(void)
{
- enum arm_perf_pmu_ids id = armpmu_get_pmu_id();
-
- switch (id) {
- case ARM_PERF_PMU_ID_XSCALE1:
- return "arm/xscale1";
- case ARM_PERF_PMU_ID_XSCALE2:
- return "arm/xscale2";
- case ARM_PERF_PMU_ID_V6:
- return "arm/armv6";
- case ARM_PERF_PMU_ID_V6MP:
- return "arm/mpcore";
- case ARM_PERF_PMU_ID_CA8:
- return "arm/armv7";
- case ARM_PERF_PMU_ID_CA9:
- return "arm/armv7-ca9";
- default:
- return NULL;
+ int i;
+ struct op_perf_name names;
+ const char *perf_name = perf_pmu_name();
+
+ for (i = 0; i < ARRAY_SIZE(op_perf_name_map); ++i) {
+ names = op_perf_name_map[i];
+ if (!strcmp(names.perf_name, perf_name))
+ return names.op_name;
}
+
+ return NULL;
}
#endif