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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2015-08-21 16:05:32 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2015-10-14 14:32:06 +0200 |
| commit | b5a6b71b1901b9ca495f669c9ad86f2181960aba (patch) | |
| tree | 26279ca6f071672d96ac6713c7ce4997d84482de /arch/s390/include/asm/diag.h | |
| parent | s390/diag: add a statistic for diagnose calls (diff) | |
| download | linux-b5a6b71b1901b9ca495f669c9ad86f2181960aba.tar.xz linux-b5a6b71b1901b9ca495f669c9ad86f2181960aba.zip | |
s390/diag: add tracepoint for diagnose calls
To be able to analyse problems in regard to hypervisor overhead
add a tracepoing for diagnose calls. It reports the number of
the diagnose issued, e.g.
sshd-1385 [002] .... 42.701431: diagnose: nr=0x9c
<idle>-0 [001] ..s. 43.587528: diagnose: nr=0x9c
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/diag.h')
| -rw-r--r-- | arch/s390/include/asm/diag.h | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/arch/s390/include/asm/diag.h b/arch/s390/include/asm/diag.h index e423cfcaf77d..5fac921c1c42 100644 --- a/arch/s390/include/asm/diag.h +++ b/arch/s390/include/asm/diag.h @@ -33,16 +33,8 @@ enum diag_stat_enum { NR_DIAG_STAT }; -struct diag_stat { - unsigned int counter[NR_DIAG_STAT]; -}; - -DECLARE_PER_CPU(struct diag_stat, diag_stat); - -static inline void diag_stat_inc(enum diag_stat_enum nr) -{ - this_cpu_inc(diag_stat.counter[nr]); -} +void diag_stat_inc(enum diag_stat_enum nr); +void diag_stat_inc_norecursion(enum diag_stat_enum nr); /* * Diagnose 10: Release page range |