@@ -13,6 +13,7 @@
#include <linux/string.h>
#include <asm/reg.h>
#include <asm/cputable.h>
+#include <uapi/asm/perf_regs.h>
/*
* Bits in event code for POWER7
@@ -427,6 +428,31 @@ static const struct attribute_group *power7_pmu_attr_groups[] = {
NULL,
};
+#define POWER7_ARCH_REGS_MASK (PERF_ARCH_REG_PVR |\
+ PERF_ARCH_REG_PMC1 | PERF_ARCH_REG_PMC2 |\
+ PERF_ARCH_REG_PMC3 | PERF_ARCH_REG_PMC4 |\
+ PERF_ARCH_REG_PMC5 | PERF_ARCH_REG_PMC6 |\
+ PERF_ARCH_REG_MMCR0 | PERF_ARCH_REG_MMCR1 |\
+ PERF_ARCH_REG_SIER | PERF_ARCH_REG_SIAR |\
+ PERF_ARCH_REG_SDAR | PERF_ARCH_REG_MMCRA)
+
+static void power7_get_arch_regs(struct perf_arch_regs *regs)
+{
+ regs->regs[PERF_ARCH_REG_POWERPC_PVR] = mfspr(SPRN_PVR);
+ regs->regs[PERF_ARCH_REG_POWERPC_PMC1] = mfspr(SPRN_PMC1);
+ regs->regs[PERF_ARCH_REG_POWERPC_PMC2] = mfspr(SPRN_PMC2);
+ regs->regs[PERF_ARCH_REG_POWERPC_PMC3] = mfspr(SPRN_PMC3);
+ regs->regs[PERF_ARCH_REG_POWERPC_PMC4] = mfspr(SPRN_PMC4);
+ regs->regs[PERF_ARCH_REG_POWERPC_PMC5] = mfspr(SPRN_PMC5);
+ regs->regs[PERF_ARCH_REG_POWERPC_PMC6] = mfspr(SPRN_PMC6);
+ regs->regs[PERF_ARCH_REG_POWERPC_MMCR0] = mfspr(SPRN_MMCR0);
+ regs->regs[PERF_ARCH_REG_POWERPC_MMCR1] = mfspr(SPRN_MMCR1);
+ regs->regs[PERF_ARCH_REG_POWERPC_SIER] = mfspr(SPRN_SIER);
+ regs->regs[PERF_ARCH_REG_POWERPC_SIAR] = mfspr(SPRN_SIAR);
+ regs->regs[PERF_ARCH_REG_POWERPC_SDAR] = mfspr(SPRN_SDAR);
+ regs->regs[PERF_ARCH_REG_POWERPC_MMCRA] = mfspr(SPRN_MMCRA);
+}
+
static struct power_pmu power7_pmu = {
.name = "POWER7",
.n_counter = 6,
@@ -442,6 +468,8 @@ static struct power_pmu power7_pmu = {
.n_generic = ARRAY_SIZE(power7_generic_events),
.generic_events = power7_generic_events,
.cache_events = &power7_cache_events,
+ .ar_mask = POWER7_ARCH_REGS_MASK,
+ .get_arch_regs = power7_get_arch_regs,
};
static int __init init_power7_pmu(void)
Add code to define support functions and registers mask for Power7 processor. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Stephane Eranian <eranian@gmail.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com> --- arch/powerpc/perf/power7-pmu.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+)