diff options
Diffstat (limited to 'arch/i386/kernel/tsc.c')
| -rw-r--r-- | arch/i386/kernel/tsc.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/i386/kernel/tsc.c b/arch/i386/kernel/tsc.c index 2cfc7b09b92..12fef14995a 100644 --- a/arch/i386/kernel/tsc.c +++ b/arch/i386/kernel/tsc.c @@ -23,6 +23,7 @@ * an extra value to store the TSC freq */ unsigned int tsc_khz; +unsigned long long (*custom_sched_clock)(void); int tsc_disable; @@ -107,6 +108,9 @@ unsigned long long sched_clock(void) { unsigned long long this_offset; + if (unlikely(custom_sched_clock)) + return (*custom_sched_clock)(); + /* * in the NUMA case we dont use the TSC as they are not * synchronized across all CPUs. |