From: Thomas Renninger <trenn@suse.de>
Cc: linux-perf-users@vger.kernel.org, mingo@elte.hu,
arjan@linux.intel.com, lenb@kernel.org, j-pihet@ti.com,
Thomas Renninger <trenn@suse.de>,
linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 2/9] cpuidle: Rename X86 specific idle poll state[0] from C0 to POLL
Date: Fri, 7 Jan 2011 11:29:43 +0100 [thread overview]
Message-ID: <1294396190-23031-3-git-send-email-trenn@suse.de> (raw)
In-Reply-To: <1294396190-23031-1-git-send-email-trenn@suse.de>
C0 means and is well know as "not idle".
All documentation out there uses this term as "running"/"not idle"
state. Also Linux userspace tools (e.g. cpufreq-aperf and turbostat)
show C0 residency which there is correct, but means something totally
else than cpuidle "POLL" state.
Signed-off-by: Thomas Renninger <trenn@suse.de>
CC: arjan@linux.intel.com
CC: lenb@kernel.org
CC: linux-acpi@vger.kernel.org
CC: Ingo Molnar <mingo@elte.hu>
CC: linux-kernel@vger.kernel.org
---
drivers/cpuidle/cpuidle.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index 08d5f05..99cc8fc 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -260,7 +260,7 @@ static void poll_idle_init(struct cpuidle_device *dev)
cpuidle_set_statedata(state, NULL);
- snprintf(state->name, CPUIDLE_NAME_LEN, "C0");
+ snprintf(state->name, CPUIDLE_NAME_LEN, "POLL");
snprintf(state->desc, CPUIDLE_DESC_LEN, "CPUIDLE CORE POLL IDLE");
state->exit_latency = 0;
state->target_residency = 0;
--
1.7.3.1
next prev parent reply other threads:[~2011-01-07 10:29 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-07 10:29 [PATCH 0/9] Make cpu_idle events architecture independent Thomas Renninger
2011-01-07 10:29 ` [PATCH 1/9] acpi: Use ACPI C-state type instead of enumeration value to export cpuidle state name Thomas Renninger
2011-01-07 20:45 ` Len Brown
2011-01-09 12:30 ` Thomas Renninger
2011-01-12 6:36 ` Len Brown
2011-01-12 12:33 ` Thomas Renninger
2011-01-12 22:41 ` Len Brown
2011-01-07 10:29 ` Thomas Renninger [this message]
2011-01-12 6:37 ` [PATCH 2/9] cpuidle: Rename X86 specific idle poll state[0] from C0 to POLL Len Brown
2011-01-07 10:29 ` [PATCH 3/9] X86/perf: fix power:cpu_idle double end events and throw cpu_idle events from the cpuidle layer Thomas Renninger
2011-01-12 6:42 ` Len Brown
2011-01-12 15:16 ` Thomas Renninger
2011-01-12 23:12 ` Len Brown
2011-01-07 10:29 ` [PATCH 4/9] cpuidle: Introduce .abbr (abbrevation) for cpuidle states Thomas Renninger
2011-01-07 21:23 ` Kevin Hilman
2011-01-12 6:56 ` Len Brown
2011-01-12 13:37 ` Thomas Renninger
2011-01-12 22:25 ` Len Brown
2011-01-12 23:39 ` Thomas Renninger
2011-01-13 15:42 ` Valdis.Kletnieks
2011-01-07 10:29 ` [PATCH 5/9] acpi: processor->cpuidle: Only set cpuidle check_bm flag if pr->flags.bm_check is set Thomas Renninger
2011-01-12 7:17 ` Len Brown
2011-01-12 7:30 ` [PATCH] ACPI: processor_idle: delete use of NOP CPUIDLE_FLAGs Len Brown
2011-01-12 7:37 ` [PATCH] cpuidle: delete NOP CPUIDLE_FLAG_POLL Len Brown
2011-01-12 8:00 ` [PATCH] SH, cpuidle: delete use of NOP CPUIDLE_FLAGS_SHALLOW Len Brown
2011-01-12 8:01 ` [PATCH] cpuidle: delete unused CPUIDLE_FLAG_SHALLOW, BALANCED, DEEP definitions Len Brown
2011-01-12 8:02 ` [PATCH] cpuidle: CPUIDLE_FLAG_TLB_FLUSHED is specific to intel_idle Len Brown
2011-01-12 8:04 ` [PATCH] cpuidle: CPUIDLE_FLAG_CHECK_BM is omap3_idle specific Len Brown
2011-01-07 10:29 ` [PATCH 6/9] perf (userspace): Fix variable clash with glibc time() func Thomas Renninger
2011-01-07 10:29 ` [PATCH 7/9] perf (userspace): Introduce --verbose param for perf timechart Thomas Renninger
2011-01-07 10:29 ` [PATCH 8/9] perf timechart: Map power:cpu_idle events to the corresponding cpuidle state Thomas Renninger
2011-01-07 10:52 ` Thomas Renninger
2011-01-07 10:29 ` [PATCH 9/9] perf: timechart: Fix memleak Thomas Renninger
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