[Powertop] [PATCH] enumerate cpu based on different string on ARM
bogomips is removed by timer-backed delay loop (commit 9fc2105a)
in ARM kernel. Using other suitable string to decide to enumerate each
cpu.
Signed-off-by: Sanjay Singh Rawat <sanjay.rawat(a)linaro.org>
---
src/cpu/cpu.cpp | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/src/cpu/cpu.cpp b/src/cpu/cpu.cpp
index b3b6166..105c066 100644
--- a/src/cpu/cpu.cpp
+++ b/src/cpu/cpu.cpp
@@ -296,6 +296,18 @@ void enumerate_cpus(void)
number = -2;
}
}
+ /* bogomips is removed in ARM, using CPU revision to enumerate */
+ if (strncasecmp(line, "CPU revision\t", 13) == 0) {
+ if (number == -1) {
+ /* Not all /proc/cpuinfo include "processor\t". */
+ number = 0;
+ }
+ if (number >= 0) {
+ handle_one_cpu(number, vendor, family, model);
+ set_max_cpu(number);
+ number = -2;
+ }
+ }
}
--
1.7.10.4