diff options
Diffstat (limited to 'tools/perf/arch')
| -rw-r--r-- | tools/perf/arch/s390/annotate/instructions.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/tools/perf/arch/s390/annotate/instructions.c b/tools/perf/arch/s390/annotate/instructions.c index 8c72b44444cb..01df9d8303e1 100644 --- a/tools/perf/arch/s390/annotate/instructions.c +++ b/tools/perf/arch/s390/annotate/instructions.c @@ -23,12 +23,37 @@ static struct ins_ops *s390__associate_ins_ops(struct arch *arch, const char *na return ops; } +static int s390__cpuid_parse(struct arch *arch, char *cpuid) +{ + unsigned int family; + char model[16], model_c[16], cpumf_v[16], cpumf_a[16]; + int ret; + + /* + * cpuid string format: + * "IBM,family,model-capacity,model[,cpum_cf-version,cpum_cf-authorization]" + */ + ret = sscanf(cpuid, "%*[^,],%u,%[^,],%[^,],%[^,],%s", &family, model_c, + model, cpumf_v, cpumf_a); + if (ret >= 2) { + arch->family = family; + arch->model = 0; + return 0; + } + + return -1; +} + static int s390__annotate_init(struct arch *arch, char *cpuid __maybe_unused) { + int err = 0; + if (!arch->initialized) { arch->initialized = true; arch->associate_instruction_ops = s390__associate_ins_ops; + if (cpuid) + err = s390__cpuid_parse(arch, cpuid); } - return 0; + return err; } |
