perf report: Add hypervisor dso
Add a dso for hypervisor samples. We don't get any symbol information on the ppc64 hypervisor but this at least gives us a high level summary of the time spent in there. Signed-off-by: Anton Blanchard <anton@samba.org> Cc: a.p.zijlstra@chello.nl Cc: paulus@samba.org LKML-Reference: <20090630230141.182536873@samba.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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1 changed files with 14 additions and 1 deletions
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@ -121,6 +121,7 @@ typedef union event_union {
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static LIST_HEAD(dsos);
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static struct dso *kernel_dso;
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static struct dso *vdso;
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static struct dso *hypervisor_dso;
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static void dsos__add(struct dso *dso)
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{
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@ -202,6 +203,11 @@ static int load_kernel(void)
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dsos__add(vdso);
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hypervisor_dso = dso__new("[hypervisor]", 0);
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if (!hypervisor_dso)
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return -1;
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dsos__add(hypervisor_dso);
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return err;
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}
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@ -640,7 +646,8 @@ sort__sym_print(FILE *fp, struct hist_entry *self)
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if (self->sym) {
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ret += fprintf(fp, "[%c] %s",
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self->dso == kernel_dso ? 'k' : '.', self->sym->name);
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self->dso == kernel_dso ? 'k' :
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self->dso == hypervisor_dso ? 'h' : '.', self->sym->name);
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} else {
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ret += fprintf(fp, "%#016llx", (u64)self->ip);
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}
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@ -963,6 +970,9 @@ hist_entry__add(struct thread *thread, struct map *map, struct dso *dso,
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}
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switch (context) {
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case PERF_CONTEXT_HV:
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dso = hypervisor_dso;
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break;
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case PERF_CONTEXT_KERNEL:
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dso = kernel_dso;
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break;
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@ -1275,6 +1285,9 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)
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} else {
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show = SHOW_HV;
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level = 'H';
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dso = hypervisor_dso;
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dprintf(" ...... dso: [hypervisor]\n");
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}
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