admin/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2025-12-07 20:06:24 +00:00
Code Issues Packages Projects Releases Wiki Activity

perf map: Add accessors for ->pgoff and ->reloc

Browse Source 
Later changes will add reference count checking for 'struct map'. Add
accessors so that the reference count check is only necessary in one
place.

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Bayduraev <alexey.v.bayduraev@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Darren Hart <dvhart@infradead.org>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Dmitriy Vyukov <dvyukov@google.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: Hao Luo <haoluo@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@arm.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Miaoqian Lin <linmq006@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: Shunsuke Nakamura <nakamura.shun@fujitsu.com>
Cc: Song Liu <song@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Stephen Brennan <stephen.s.brennan@oracle.com>
Cc: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Yury Norov <yury.norov@gmail.com>
Link: https://lore.kernel.org/r/20230404205954.2245628-2-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers
2023-04-04 13:59:46 -07:00
committed by Arnaldo Carvalho de Melo
parent ddee3f2bdd
commit 2a6e5e8a2a
9 changed files with 33 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
tools/perf/util/probe-event.c
View File

@@ -135,14 +135,14 @@ static int kernel_get_symbol_address_by_name(const char *name, u64 *addr,
/* ref_reloc_sym is just a label. Need a special fix*/
reloc_sym = kernel_get_ref_reloc_sym(&map);
if (reloc_sym && strcmp(name, reloc_sym->name) == 0)
*addr = (!map->reloc || reloc) ? reloc_sym->addr :
*addr = (!map__reloc(map) || reloc) ? reloc_sym->addr :
reloc_sym->unrelocated_addr;
else {
sym = machine__find_kernel_symbol_by_name(host_machine, name, &map);
if (!sym)
return -ENOENT;
*addr = map__unmap_ip(map, sym->start) -
((reloc) ? 0 : map->reloc) -
((reloc) ? 0 : map__reloc(map)) -
((reladdr) ? map__start(map) : 0);
}
return 0;
@@ -400,7 +400,7 @@ static int find_alternative_probe_point(struct debuginfo *dinfo,
"Consider identifying the final function used at run time and set the probe directly on that.\n",
pp->function);
} else
address = map__unmap_ip(map, sym->start) - map->reloc;
address = map__unmap_ip(map, sym->start) - map__reloc(map);
break;
}
if (!address) {
@@ -866,7 +866,7 @@ post_process_kernel_probe_trace_events(struct probe_trace_event *tevs,
free(tevs[i].point.symbol);
tevs[i].point.symbol = tmp;
tevs[i].point.offset = tevs[i].point.address -
(map->reloc ? reloc_sym->unrelocated_addr :
(map__reloc(map) ? reloc_sym->unrelocated_addr :
reloc_sym->addr);
}
return skipped;