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author | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
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committer | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
commit | 97327692361306d1e6259021bc425e32832fdb50 (patch) | |
tree | fe9088f3248ec61e24f404f21b9793cb644b7f01 /arch/sh/oprofile/common.c | |
parent | 2d05a8f663478a44e088d122e0d62109bbc801d0 (diff) | |
parent | a3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff) | |
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dirty fix to merging
Diffstat (limited to 'arch/sh/oprofile/common.c')
-rw-r--r-- | arch/sh/oprofile/common.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/arch/sh/oprofile/common.c b/arch/sh/oprofile/common.c new file mode 100644 index 00000000..e4dd5d5a --- /dev/null +++ b/arch/sh/oprofile/common.c @@ -0,0 +1,64 @@ +/* + * arch/sh/oprofile/init.c + * + * Copyright (C) 2003 - 2010 Paul Mundt + * + * Based on arch/mips/oprofile/common.c: + * + * Copyright (C) 2004, 2005 Ralf Baechle + * Copyright (C) 2005 MIPS Technologies, Inc. + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#include <linux/kernel.h> +#include <linux/oprofile.h> +#include <linux/init.h> +#include <linux/errno.h> +#include <linux/smp.h> +#include <linux/perf_event.h> +#include <linux/slab.h> +#include <asm/processor.h> + +extern void sh_backtrace(struct pt_regs * const regs, unsigned int depth); + +#ifdef CONFIG_HW_PERF_EVENTS +/* + * This will need to be reworked when multiple PMUs are supported. + */ +static char *sh_pmu_op_name; + +char *op_name_from_perf_id(void) +{ + 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 oprofile_arch_exit(void) +{ + oprofile_perf_exit(); + kfree(sh_pmu_op_name); +} +#else +int __init oprofile_arch_init(struct oprofile_operations *ops) +{ + ops->backtrace = sh_backtrace; + return -ENODEV; +} +void oprofile_arch_exit(void) {} +#endif /* CONFIG_HW_PERF_EVENTS */ |