Messages in this thread Patch in this message | | | From | Thomas Renninger <> | Subject | [PATCH 2/8] cpuidle: Rename X86 specific idle poll state[0] from C0 to CPUIDLE | Date | Thu, 2 Dec 2010 17:42:22 +0100 |
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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; -- 1.6.0.2
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