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perf top: Always show the DSO column, even if its all the same 

Ingo found it confusing, and I agree with that, for 'perf
report' its OK because it is static, but for a tool refreshing
it the eventual switch from column to summary at the top may
seem confusing.

Suggested-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1259071517-3242-1-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
hifive-unleashed-5.1
Arnaldo Carvalho de Melo 2009-11-24 12:05:14 -02:00 committed by Ingo Molnar
parent e74328d3a1
commit 7cc017edb9
1 changed files with 11 additions and 27 deletions
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38
tools/perf/builtin-top.c
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@ -451,9 +451,8 @@ static void print_sym_table(void)
struct sym_entry *syme, *n;
struct rb_root tmp = RB_ROOT;
struct rb_node *nd;
int sym_width = 0, dso_width = 0;
int sym_width = 0, dso_width = 0, max_dso_width;
const int win_width = winsize.ws_col - 1;
struct dso *unique_dso = NULL, *first_dso = NULL;
samples = userspace_samples = 0;
@ -539,11 +538,6 @@ static void print_sym_table(void)
(int)syme->snap_count < count_filter)
continue;
if (first_dso == NULL)
unique_dso = first_dso = syme->map->dso;
else if (syme->map->dso != first_dso)
unique_dso = NULL;
if (syme->map->dso->long_name_len > dso_width)
dso_width = syme->map->dso->long_name_len;
@ -553,14 +547,10 @@ static void print_sym_table(void)
printed = 0;
if (unique_dso)
printf("DSO: %s\n", unique_dso->long_name);
else {
int max_dso_width = winsize.ws_col - sym_width - 29;
if (dso_width > max_dso_width)
dso_width = max_dso_width;
putchar('\n');
}
max_dso_width = winsize.ws_col - sym_width - 29;
if (dso_width > max_dso_width)
dso_width = max_dso_width;
putchar('\n');
if (nr_counters == 1)
printf(" samples pcnt");
else
@ -568,17 +558,13 @@ static void print_sym_table(void)
if (verbose)
printf(" RIP ");
printf(" %-*.*s", sym_width, sym_width, "function");
if (!unique_dso)
printf(" DSO");
putchar('\n');
printf(" %-*.*s DSO\n", sym_width, sym_width, "function");
printf(" %s _______ _____",
nr_counters == 1 ? " " : "______");
if (verbose)
printf(" ________________");
printf(" %-*.*s", sym_width, sym_width, graph_line);
if (!unique_dso)
printf(" %-*.*s", dso_width, dso_width, graph_line);
printf(" %-*.*s", dso_width, dso_width, graph_line);
puts("\n");
for (nd = rb_first(&tmp); nd; nd = rb_next(nd)) {
@ -603,12 +589,10 @@ static void print_sym_table(void)
if (verbose)
printf(" %016llx", sym->start);
printf(" %-*.*s", sym_width, sym_width, sym->name);
if (!unique_dso)
printf(" %-*.*s", dso_width, dso_width,
dso_width >= syme->map->dso->long_name_len ?
syme->map->dso->long_name :
syme->map->dso->short_name);
printf("\n");
printf(" %-*.*s\n", dso_width, dso_width,
dso_width >= syme->map->dso->long_name_len ?
syme->map->dso->long_name :
syme->map->dso->short_name);
}
}