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perf maps: Add for_each_entry()/_safe() iterators

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To reduce boilerplate, provide a more compact form using an idiom
present in other trees of data structures.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-59gmq4kg1r68ou1wknyjl78x@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2019-10-28 11:31:38 -03:00
parent 20419d3a5b
commit 8efc4f0568
10 changed files with 65 additions and 44 deletions
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6
tools/perf/tests/vmlinux-kallsyms.c
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@@ -182,7 +182,7 @@ next_pair:
header_printed = false;
for (map = maps__first(maps); map; map = map__next(map)) {
maps__for_each_entry(maps, map) {
struct map *
/*
* If it is the kernel, kallsyms is always "[kernel.kallsyms]", while
@@ -207,7 +207,7 @@ next_pair:
header_printed = false;
for (map = maps__first(maps); map; map = map__next(map)) {
maps__for_each_entry(maps, map) {
struct map *pair;
mem_start = vmlinux_map->unmap_ip(vmlinux_map, map->start);
@@ -237,7 +237,7 @@ next_pair:
maps = machine__kernel_maps(&kallsyms);
for (map = maps__first(maps); map; map = map__next(map)) {
maps__for_each_entry(maps, map) {
if (!map->priv) {
if (!header_printed) {
pr_info("WARN: Maps only in kallsyms:\n");