diff options
| author | Len Brown <len.brown@intel.com> | 2016-02-27 01:51:02 (GMT) |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2016-03-13 07:55:40 (GMT) |
| commit | 36229897ba966bb0dc9e060222ff17b198252367 (patch) | |
| tree | 338ca7d3fa3ce6553b7b6a58bd40568a99a4a5de /lib/crc16.c | |
| parent | 58cc30a4e6086d542302e04eea39b2a438e4c5dd (diff) | |
| download | linux-36229897ba966bb0dc9e060222ff17b198252367.tar.xz | |
tools/power turbostat: make fewer systems calls
skip the open(2)/close(2) on each msr read
by keeping the /dev/cpu/*/msr files open.
The remaining read(2) is generally far fewer cycles
than the removed open(2) system call.
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'lib/crc16.c')
0 files changed, 0 insertions, 0 deletions