diff options
| author | Robert Richter <robert.richter@amd.com> | 2008-07-22 21:09:01 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-26 11:48:09 +0200 |
| commit | 270d3e1a10e6ef85d5a085377e01d91dbcbe3726 (patch) | |
| tree | 4844fe5a7f21748176f96e47dfaf0f56b8464ae8 /arch/x86/oprofile/op_model_athlon.c | |
| parent | fc2bd7345b4e006a34c2ea3711d8c6b83cba50f7 (diff) | |
OProfile: enable IBS for AMD CPUs
Signed-off-by: Robert Richter <robert.richter@amd.com>
Cc: oprofile-list <oprofile-list@lists.sourceforge.net>
Cc: Barry Kasindorf <barry.kasindorf@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/oprofile/op_model_athlon.c')
| -rw-r--r-- | arch/x86/oprofile/op_model_athlon.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/arch/x86/oprofile/op_model_athlon.c b/arch/x86/oprofile/op_model_athlon.c index 2650b12a0c5..0d839031979 100644 --- a/arch/x86/oprofile/op_model_athlon.c +++ b/arch/x86/oprofile/op_model_athlon.c @@ -446,13 +446,25 @@ static void clear_ibs_nmi(void) on_each_cpu(apic_clear_ibs_nmi_per_cpu, NULL, 1); } +static int (*create_arch_files)(struct super_block * sb, struct dentry * root); + static int setup_ibs_files(struct super_block * sb, struct dentry * root) { char buf[12]; struct dentry *dir; + int ret = 0; + + /* architecture specific files */ + if (create_arch_files) + ret = create_arch_files(sb, root); + + if (ret) + return ret; if (!ibs_allowed) - return 0; + return ret; + + /* model specific files */ /* setup some reasonable defaults */ ibs_config.max_cnt_fetch = 250000; @@ -482,11 +494,15 @@ static int setup_ibs_files(struct super_block * sb, struct dentry * root) static int op_amd_init(struct oprofile_operations *ops) { + setup_ibs(); + create_arch_files = ops->create_files; + ops->create_files = setup_ibs_files; return 0; } static void op_amd_exit(void) { + clear_ibs_nmi(); } struct op_x86_model_spec const op_amd_spec = { |