diff options
| -rw-r--r-- | arch/sh/kernel/cpu/sh4/perf_event.c | 2 | ||||
| -rw-r--r-- | arch/sh/kernel/cpu/sh4a/perf_event.c | 2 | ||||
| -rw-r--r-- | arch/sh/oprofile/Makefile | 2 | ||||
| -rw-r--r-- | arch/sh/oprofile/common.c | 31 |
4 files changed, 21 insertions, 16 deletions
diff --git a/arch/sh/kernel/cpu/sh4/perf_event.c b/arch/sh/kernel/cpu/sh4/perf_event.c index 7f9ecc9..dbf3b4b 100644 --- a/arch/sh/kernel/cpu/sh4/perf_event.c +++ b/arch/sh/kernel/cpu/sh4/perf_event.c @@ -225,7 +225,7 @@ static void sh7750_pmu_enable_all(void) } static struct sh_pmu sh7750_pmu = { - .name = "SH7750", + .name = "sh7750", .num_events = 2, .event_map = sh7750_event_map, .max_events = ARRAY_SIZE(sh7750_general_events), diff --git a/arch/sh/kernel/cpu/sh4a/perf_event.c b/arch/sh/kernel/cpu/sh4a/perf_event.c index b8b873d..5802765 100644 --- a/arch/sh/kernel/cpu/sh4a/perf_event.c +++ b/arch/sh/kernel/cpu/sh4a/perf_event.c @@ -259,7 +259,7 @@ static void sh4a_pmu_enable_all(void) } static struct sh_pmu sh4a_pmu = { - .name = "SH-4A", + .name = "sh4a", .num_events = 2, .event_map = sh4a_event_map, .max_events = ARRAY_SIZE(sh4a_general_events), diff --git a/arch/sh/oprofile/Makefile b/arch/sh/oprofile/Makefile index e85aae7..ce3b119 100644 --- a/arch/sh/oprofile/Makefile +++ b/arch/sh/oprofile/Makefile @@ -1,5 +1,7 @@ obj-$(CONFIG_OPROFILE) += oprofile.o +CFLAGS_common.o += -DUTS_MACHINE='"$(UTS_MACHINE)"' + DRIVER_OBJS = $(addprefix ../../../drivers/oprofile/, \ oprof.o cpu_buffer.o buffer_sync.o \ event_buffer.o oprofile_files.o \ diff --git a/arch/sh/oprofile/common.c b/arch/sh/oprofile/common.c index e10d893..8453314 100644 --- a/arch/sh/oprofile/common.c +++ b/arch/sh/oprofile/common.c @@ -1,7 +1,7 @@ /* * arch/sh/oprofile/init.c * - * Copyright (C) 2003 - 2008 Paul Mundt + * Copyright (C) 2003 - 2010 Paul Mundt * * Based on arch/mips/oprofile/common.c: * @@ -18,38 +18,41 @@ #include <linux/errno.h> #include <linux/smp.h> #include <linux/perf_event.h> +#include <linux/slab.h> #include <asm/processor.h> #ifdef CONFIG_HW_PERF_EVENTS extern void sh_backtrace(struct pt_regs * const regs, unsigned int depth); +/* + * This will need to be reworked when multiple PMUs are supported. + */ +static char *sh_pmu_op_name; + char *op_name_from_perf_id(void) { - const char *pmu; - char buf[20]; - int size; - - pmu = perf_pmu_name(); - if (!pmu) - return NULL; - - size = snprintf(buf, sizeof(buf), "sh/%s", pmu); - if (size > -1 && size < sizeof(buf)) - return buf; - - return NULL; + return sh_pmu_op_name; } int __init oprofile_arch_init(struct oprofile_operations *ops) { ops->backtrace = sh_backtrace; + if (perf_num_counters() == 0) + return -ENODEV; + + sh_pmu_op_name = kasprintf(GFP_KERNEL, "%s/%s", + UTS_MACHINE, perf_pmu_name()); + if (unlikely(!sh_pmu_op_name)) + return -ENOMEM; + return oprofile_perf_init(ops); } void __exit oprofile_arch_exit(void) { oprofile_perf_exit(); + kfree(sh_pmu_op_name); } #else int __init oprofile_arch_init(struct oprofile_operations *ops) |
