Merge branch 'perfcounters-fixes-for-linus' of git://git.kernel.org/pub/scm/linux...
authorLinus Torvalds <torvalds@linux-foundation.org>
Tue, 25 Aug 2009 18:24:37 +0000 (11:24 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 25 Aug 2009 18:24:37 +0000 (11:24 -0700)
* 'perfcounters-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  perf_counter: Fix typo in read() output generation
  perf tools: Check perf.data owner

kernel/perf_counter.c
tools/perf/builtin-annotate.c
tools/perf/builtin-report.c

index 36f65e2..f274e19 100644 (file)
@@ -1791,7 +1791,7 @@ static int perf_counter_read_group(struct perf_counter *counter,
        size += err;
 
        list_for_each_entry(sub, &leader->sibling_list, list_entry) {
-               err = perf_counter_read_entry(counter, read_format,
+               err = perf_counter_read_entry(sub, read_format,
                                buf + size);
                if (err < 0)
                        return err;
index 343e7b1..5e17de9 100644 (file)
@@ -31,6 +31,7 @@ static char           *vmlinux = "vmlinux";
 static char            default_sort_order[] = "comm,symbol";
 static char            *sort_order = default_sort_order;
 
+static int             force;
 static int             input;
 static int             show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV;
 
@@ -1334,6 +1335,11 @@ static int __cmd_annotate(void)
                exit(-1);
        }
 
+       if (!force && (stat.st_uid != geteuid())) {
+               fprintf(stderr, "file: %s not owned by current user\n", input_name);
+               exit(-1);
+       }
+
        if (!stat.st_size) {
                fprintf(stderr, "zero-sized file, nothing to do!\n");
                exit(0);
@@ -1439,6 +1445,7 @@ static const struct option options[] = {
                    "input file name"),
        OPT_STRING('s', "symbol", &sym_hist_filter, "symbol",
                    "symbol to annotate"),
+       OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
        OPT_BOOLEAN('v', "verbose", &verbose,
                    "be more verbose (show symbol address, etc)"),
        OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
index b53a60f..8b2ec88 100644 (file)
@@ -38,6 +38,7 @@ static char           *dso_list_str, *comm_list_str, *sym_list_str,
 static struct strlist  *dso_list, *comm_list, *sym_list;
 static char            *field_sep;
 
+static int             force;
 static int             input;
 static int             show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV;
 
@@ -1856,6 +1857,11 @@ static int __cmd_report(void)
                exit(-1);
        }
 
+       if (!force && (stat.st_uid != geteuid())) {
+               fprintf(stderr, "file: %s not owned by current user\n", input_name);
+               exit(-1);
+       }
+
        if (!stat.st_size) {
                fprintf(stderr, "zero-sized file, nothing to do!\n");
                exit(0);
@@ -2064,6 +2070,7 @@ static const struct option options[] = {
        OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
                    "dump raw trace in ASCII"),
        OPT_STRING('k', "vmlinux", &vmlinux, "file", "vmlinux pathname"),
+       OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
        OPT_BOOLEAN('m', "modules", &modules,
                    "load module symbols - WARNING: use only with -k and LIVE kernel"),
        OPT_BOOLEAN('n', "show-nr-samples", &show_nr_samples,