diff options
| author | Steven Rostedt <srostedt@redhat.com> | 2009-09-15 12:24:22 -0400 |
|---|---|---|
| committer | Steven Rostedt <rostedt@goodmis.org> | 2009-09-15 12:24:22 -0400 |
| commit | 6ca6cca31ddc7cc8b1dc38b12d7593d2667defe8 (patch) | |
| tree | ca29469e6f270d9c9a85ac77c41658ebbfd8f99f /arch/x86/kernel/pci-dma.c | |
| parent | 555f386c98cc93890f48fdea098936755270304b (diff) | |
tracing: optimize global_trace_clock cachelines
The prev_trace_clock_time is only read or written to when the
trace_clock_lock is taken. For better perfomance, they
should share the same cache line.
Reported-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'arch/x86/kernel/pci-dma.c')
0 files changed, 0 insertions, 0 deletions