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yaml
---
r: 147630
b: refs/heads/master
c: f2521b6
h: refs/heads/master
v: v3
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Ingo Molnar committed Jun 3, 2009
1 parent 31031ca commit 2fd4455
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Showing 3 changed files with 10 additions and 12 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: a96bbc16418bc691317f265d6bf98ba941ca9c1a
refs/heads/master: f2521b6e4c365bd0aac61b2c346e6e9f22607e31
6 changes: 3 additions & 3 deletions trunk/Documentation/perf_counter/builtin-record.c
Original file line number Diff line number Diff line change
Expand Up @@ -357,7 +357,8 @@ static void open_counters(int cpu, pid_t pid)

if (fd[nr_cpu][counter] < 0) {
int err = errno;
printf("kerneltop error: syscall returned with %d (%s)\n",

error("syscall returned with %d (%s)\n",
fd[nr_cpu][counter], strerror(err));
if (err == EPERM)
printf("Are you root?\n");
Expand All @@ -382,8 +383,7 @@ static void open_counters(int cpu, pid_t pid)
mmap_array[nr_cpu][counter].base = mmap(NULL, (mmap_pages+1)*page_size,
PROT_READ, MAP_SHARED, fd[nr_cpu][counter], 0);
if (mmap_array[nr_cpu][counter].base == MAP_FAILED) {
printf("kerneltop error: failed to mmap with %d (%s)\n",
errno, strerror(errno));
error("failed to mmap with %d (%s)\n", errno, strerror(errno));
exit(-1);
}
}
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14 changes: 6 additions & 8 deletions trunk/Documentation/perf_counter/builtin-top.c
Original file line number Diff line number Diff line change
Expand Up @@ -208,7 +208,7 @@ static void print_sym_table(void)

printf(
"------------------------------------------------------------------------------\n");
printf( " KernelTop:%8.0f irqs/sec kernel:%4.1f%% [",
printf( " PerfTop:%8.0f irqs/sec kernel:%4.1f%% [",
events_per_sec,
100.0 - (100.0*((events_per_sec-kevents_per_sec)/events_per_sec)));

Expand Down Expand Up @@ -281,7 +281,7 @@ static void print_sym_table(void)

static void *display_thread(void *arg)
{
printf("KernelTop refresh period: %d seconds\n", delay_secs);
printf("PerfTop refresh period: %d seconds\n", delay_secs);

while (!sleep(delay_secs))
print_sym_table();
Expand Down Expand Up @@ -564,7 +564,8 @@ static int __cmd_top(void)
fd[i][counter] = sys_perf_counter_open(&attr, target_pid, cpu, group_fd, 0);
if (fd[i][counter] < 0) {
int err = errno;
printf("kerneltop error: syscall returned with %d (%s)\n",

error("syscall returned with %d (%s)\n",
fd[i][counter], strerror(err));
if (err == EPERM)
printf("Are you root?\n");
Expand All @@ -588,11 +589,8 @@ static int __cmd_top(void)
mmap_array[i][counter].mask = mmap_pages*page_size - 1;
mmap_array[i][counter].base = mmap(NULL, (mmap_pages+1)*page_size,
PROT_READ, MAP_SHARED, fd[i][counter], 0);
if (mmap_array[i][counter].base == MAP_FAILED) {
printf("kerneltop error: failed to mmap with %d (%s)\n",
errno, strerror(errno));
exit(-1);
}
if (mmap_array[i][counter].base == MAP_FAILED)
die("failed to mmap with %d (%s)\n", errno, strerror(errno));
}
}

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