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perf machine: Add machine__for_each_dso() function 

Add the machine__for_each_dso() to iterate over all dso objects defined
for the within a machine object. It will be used in the MMAP3 patch
series.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Frank Ch. Eigler <fche@redhat.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lore.kernel.org/lkml/20200913210313.1985612-22-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2020-09-13 23:03:08 +02:00 committed by Arnaldo Carvalho de Melo
parent 056c172201
commit c57f5eaa09
2 changed files with 16 additions and 0 deletions
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12
tools/perf/util/machine.c
View File

@ -3100,3 +3100,15 @@ char *machine__resolve_kernel_addr(void *vmachine, unsigned long long *addrp, ch
*addrp = map->unmap_ip(map, sym->start);
return sym->name;
}
int machine__for_each_dso(struct machine *machine, machine__dso_t fn, void *priv)
{
struct dso *pos;
int err = 0;
list_for_each_entry(pos, &machine->dsos.head, node) {
if (fn(pos, machine, priv))
err = -1;
}
return err;
}

4
tools/perf/util/machine.h
View File

@ -250,6 +250,10 @@ void machines__destroy_kernel_maps(struct machines *machines);
size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp);
typedef int (*machine__dso_t)(struct dso *dso, struct machine *machine, void *priv);
int machine__for_each_dso(struct machine *machine, machine__dso_t fn,
void *priv);
int machine__for_each_thread(struct machine *machine,
int (*fn)(struct thread *thread, void *p),
void *priv);