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authorLen Brown <len.brown@intel.com>2016-04-06 17:15:55 -0400
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-04-07 22:18:32 +0200
commit5a63426e2a18775ed05b20e3bc90c68bacb1f68a (patch)
tree851ad05e09e5b5a865a6284b1d0538f17b3e1afc /arch
parent8ae7225591fd15aac89769cbebb3b5ecc8b12fe5 (diff)
downloadlinux-5a63426e2a18775ed05b20e3bc90c68bacb1f68a.tar.bz2
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.h8
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