diff options
Diffstat (limited to 'arch/powerpc/platforms/pseries/hvCall_inst.c')
| -rw-r--r-- | arch/powerpc/platforms/pseries/hvCall_inst.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pseries/hvCall_inst.c b/arch/powerpc/platforms/pseries/hvCall_inst.c index f02ec3ab428c..957ae347b0b3 100644 --- a/arch/powerpc/platforms/pseries/hvCall_inst.c +++ b/arch/powerpc/platforms/pseries/hvCall_inst.c @@ -29,6 +29,16 @@ #include <asm/trace.h> #include <asm/machdep.h> +/* For hcall instrumentation. One structure per-hcall, per-CPU */ +struct hcall_stats { + unsigned long num_calls; /* number of calls (on this CPU) */ + unsigned long tb_total; /* total wall time (mftb) of calls. */ + unsigned long purr_total; /* total cpu time (PURR) of calls. */ + unsigned long tb_start; + unsigned long purr_start; +}; +#define HCALL_STAT_ARRAY_SIZE ((MAX_HCALL_OPCODE >> 2) + 1) + DEFINE_PER_CPU(struct hcall_stats[HCALL_STAT_ARRAY_SIZE], hcall_stats); /* |