From ddee3f2bddc11f850f7f6fcfc04bc26ceeab23ce Mon Sep 17 00:00:00 2001 From: Ian Rogers Date: Tue, 4 Apr 2023 13:59:45 -0700 Subject: perf map: Add accessors for ->prot, ->priv and ->flags Later changes will add reference count checking for 'struct map'. Add an accessor so that the reference count check is only necessary in one place. Signed-off-by: Ian Rogers Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Alexey Bayduraev Cc: Andi Kleen Cc: Andrew Morton Cc: Andy Shevchenko Cc: Darren Hart Cc: Davidlohr Bueso Cc: Dmitriy Vyukov Cc: Eric Dumazet Cc: German Gomez Cc: Hao Luo Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: John Garry Cc: Kajol Jain Cc: Kan Liang Cc: Leo Yan Cc: Madhavan Srinivasan Cc: Mark Rutland Cc: Masami Hiramatsu Cc: Miaoqian Lin Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Riccardo Mancini Cc: Shunsuke Nakamura Cc: Song Liu Cc: Stephane Eranian Cc: Stephen Brennan Cc: Steven Rostedt (VMware) Cc: Thomas Gleixner Cc: Thomas Richter Cc: Yury Norov Link: https://lore.kernel.org/r/20230404205954.2245628-2-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-inject.c | 2 +- tools/perf/builtin-report.c | 9 +++++---- tools/perf/tests/vmlinux-kallsyms.c | 4 ++-- tools/perf/util/map.h | 15 +++++++++++++++ tools/perf/util/sort.c | 6 +++--- tools/perf/util/symbol.c | 4 ++-- 6 files changed, 28 insertions(+), 12 deletions(-) diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c index 8f6909dd8a54..fd2b38458a5d 100644 --- a/tools/perf/builtin-inject.c +++ b/tools/perf/builtin-inject.c @@ -758,7 +758,7 @@ int perf_event__inject_buildid(struct perf_tool *tool, union perf_event *event, if (!dso->hit) { dso->hit = 1; dso__inject_build_id(dso, tool, machine, - sample->cpumode, al.map->flags); + sample->cpumode, map__flags(al.map)); } } diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 2a6e2cee5e0d..c066452219c8 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -849,13 +849,14 @@ static size_t maps__fprintf_task(struct maps *maps, int indent, FILE *fp) maps__for_each_entry(maps, rb_node) { struct map *map = rb_node->map; const struct dso *dso = map__dso(map); + u32 prot = map__prot(map); printed += fprintf(fp, "%*s %" PRIx64 "-%" PRIx64 " %c%c%c%c %08" PRIx64 " %" PRIu64 " %s\n", indent, "", map__start(map), map__end(map), - map->prot & PROT_READ ? 'r' : '-', - map->prot & PROT_WRITE ? 'w' : '-', - map->prot & PROT_EXEC ? 'x' : '-', - map->flags & MAP_SHARED ? 's' : 'p', + prot & PROT_READ ? 'r' : '-', + prot & PROT_WRITE ? 'w' : '-', + prot & PROT_EXEC ? 'x' : '-', + map__flags(map) ? 's' : 'p', map->pgoff, dso->id.ino, dso->name); } diff --git a/tools/perf/tests/vmlinux-kallsyms.c b/tools/perf/tests/vmlinux-kallsyms.c index 05a322ea3f9f..7db102868bc2 100644 --- a/tools/perf/tests/vmlinux-kallsyms.c +++ b/tools/perf/tests/vmlinux-kallsyms.c @@ -323,7 +323,7 @@ next_pair: mem_end = map__unmap_ip(vmlinux_map, map__end(map)); pair = maps__find(kallsyms.kmaps, mem_start); - if (pair == NULL || pair->priv) + if (pair == NULL || map__priv(pair)) continue; if (map__start(pair) == mem_start) { @@ -351,7 +351,7 @@ next_pair: maps__for_each_entry(maps, rb_node) { struct map *map = rb_node->map; - if (!map->priv) { + if (!map__priv(map)) { if (!header_printed) { pr_info("WARN: Maps only in kallsyms:\n"); header_printed = true; diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h index 9118eba71032..fd440c9c279e 100644 --- a/tools/perf/util/map.h +++ b/tools/perf/util/map.h @@ -72,6 +72,21 @@ static inline u64 map__end(const struct map *map) return map->end; } +static inline u32 map__flags(const struct map *map) +{ + return map->flags; +} + +static inline u32 map__prot(const struct map *map) +{ + return map->prot; +} + +static inline bool map__priv(const struct map *map) +{ + return map->priv; +} + static inline size_t map__size(const struct map *map) { return map__end(map) - map__start(map); diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c index 87a3ba584af5..80c9960c37e5 100644 --- a/tools/perf/util/sort.c +++ b/tools/perf/util/sort.c @@ -1540,7 +1540,7 @@ sort__dcacheline_cmp(struct hist_entry *left, struct hist_entry *right) */ if ((left->cpumode != PERF_RECORD_MISC_KERNEL) && - (!(l_map->flags & MAP_SHARED)) && !l_dso->id.maj && !l_dso->id.min && + (!(map__flags(l_map) & MAP_SHARED)) && !l_dso->id.maj && !l_dso->id.min && !l_dso->id.ino && !l_dso->id.ino_generation) { /* userspace anonymous */ @@ -1576,8 +1576,8 @@ static int hist_entry__dcacheline_snprintf(struct hist_entry *he, char *bf, /* print [s] for shared data mmaps */ if ((he->cpumode != PERF_RECORD_MISC_KERNEL) && - map && !(map->prot & PROT_EXEC) && - (map->flags & MAP_SHARED) && + map && !(map__prot(map) & PROT_EXEC) && + (map__flags(map) & MAP_SHARED) && (dso->id.maj || dso->id.min || dso->id.ino || dso->id.ino_generation)) level = 's'; else if (!map) diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 9ba49c1ef6ef..5c075d77a792 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -1396,7 +1396,7 @@ static int dso__load_kcore(struct dso *dso, struct map *map, } /* Read new maps into temporary lists */ - err = file__read_maps(fd, map->prot & PROT_EXEC, kcore_mapfn, &md, + err = file__read_maps(fd, map__prot(map) & PROT_EXEC, kcore_mapfn, &md, &is_64_bit); if (err) goto out_err; @@ -1509,7 +1509,7 @@ static int dso__load_kcore(struct dso *dso, struct map *map, close(fd); - if (map->prot & PROT_EXEC) + if (map__prot(map) & PROT_EXEC) pr_debug("Using %s for kernel object code\n", kcore_filename); else pr_debug("Using %s for kernel data\n", kcore_filename); -- cgit v1.2.3