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| author |   Len Brown <len.brown@intel.com> | 2016-04-06 17:15:55 -0400 |
|---|---|---|
| committer |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-04-07 22:18:32 +0200 |
| commit | 5a63426e2a18775ed05b20e3bc90c68bacb1f68a (patch) | |
| tree | 851ad05e09e5b5a865a6284b1d0538f17b3e1afc /arch | |
| parent | tools/power turbostat: SGX state should print only if --debug (diff) | |
| download | linux-dev-5a63426e2a18775ed05b20e3bc90c68bacb1f68a.tar.xz linux-dev-5a63426e2a18775ed05b20e3bc90c68bacb1f68a.zip | |
tools/power turbostat: print IRTL MSRs
Some processors use the Interrupt Response Time Limit (IRTL) MSR value
to describe the maximum IRQ response time latency for deep
package C-states. (Though others have the register, but do not use it)
Lets print it out to give insight into the cases where it is used.
IRTL begain in SNB, with PC3/PC6/PC7, and HSW added PC8/PC9/PC10.
Signed-off-by: Len Brown <len.brown@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/include/asm/msr-index.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h index 3fec311f7b9a..7b27e3241e5a 100644 --- a/arch/x86/include/asm/msr-index.h +++ b/arch/x86/include/asm/msr-index.h @@ -162,6 +162,14 @@ #define MSR_PKG_C9_RESIDENCY 0x00000631 #define MSR_PKG_C10_RESIDENCY 0x00000632 +/* Interrupt Response Limit */ +#define MSR_PKGC3_IRTL 0x0000060a +#define MSR_PKGC6_IRTL 0x0000060b +#define MSR_PKGC7_IRTL 0x0000060c +#define MSR_PKGC8_IRTL 0x00000633 +#define MSR_PKGC9_IRTL 0x00000634 +#define MSR_PKGC10_IRTL 0x00000635 + /* Run Time Average Power Limiting (RAPL) Interface */ #define MSR_RAPL_POWER_UNIT 0x00000606 |