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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-10 19:51:10 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-10 19:51:10 -0700 |
| commit | 57eee9ae7bbcfb692dc96c739a5184adb6349733 (patch) | |
| tree | dd268927f30b91e8cbf95ec58e6004673b71fe40 /arch/x86/oprofile | |
| parent | 8f40642ad315c553bab4ae800766ade07e574a77 (diff) | |
| parent | 7e4e0bd50e80df2fe5501f48f872448376cdd997 (diff) | |
| download | kernel_samsung_smdk4412-57eee9ae7bbcfb692dc96c739a5184adb6349733.zip kernel_samsung_smdk4412-57eee9ae7bbcfb692dc96c739a5184adb6349733.tar.gz kernel_samsung_smdk4412-57eee9ae7bbcfb692dc96c739a5184adb6349733.tar.bz2 | |
Merge branch 'oprofile-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'oprofile-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
oprofile: introduce module_param oprofile.cpu_type
oprofile: add support for Core i7 and Atom
oprofile: remove undocumented oprofile.p4force option
oprofile: re-add force_arch_perfmon option
Diffstat (limited to 'arch/x86/oprofile')
| -rw-r--r-- | arch/x86/oprofile/nmi_int.c | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c index 202864a..3b285e6 100644 --- a/arch/x86/oprofile/nmi_int.c +++ b/arch/x86/oprofile/nmi_int.c @@ -356,14 +356,11 @@ static void exit_sysfs(void) #define exit_sysfs() do { } while (0) #endif /* CONFIG_PM */ -static int p4force; -module_param(p4force, int, 0); - static int __init p4_init(char **cpu_type) { __u8 cpu_model = boot_cpu_data.x86_model; - if (!p4force && (cpu_model > 6 || cpu_model == 5)) + if (cpu_model > 6 || cpu_model == 5) return 0; #ifndef CONFIG_SMP @@ -389,10 +386,25 @@ static int __init p4_init(char **cpu_type) return 0; } +static int force_arch_perfmon; +static int force_cpu_type(const char *str, struct kernel_param *kp) +{ + if (!strcmp(str, "archperfmon")) { + force_arch_perfmon = 1; + printk(KERN_INFO "oprofile: forcing architectural perfmon\n"); + } + + return 0; +} +module_param_call(cpu_type, force_cpu_type, NULL, NULL, 0); + static int __init ppro_init(char **cpu_type) { __u8 cpu_model = boot_cpu_data.x86_model; + if (force_arch_perfmon && cpu_has_arch_perfmon) + return 0; + switch (cpu_model) { case 0 ... 2: *cpu_type = "i386/ppro"; @@ -414,6 +426,13 @@ static int __init ppro_init(char **cpu_type) case 15: case 23: *cpu_type = "i386/core_2"; break; + case 26: + arch_perfmon_setup_counters(); + *cpu_type = "i386/core_i7"; + break; + case 28: + *cpu_type = "i386/atom"; + break; default: /* Unknown */ return 0; |