When using -fprofile-report, -fdump-profile-report can be used to
print the report to a foo.c.000i.profile-report file instead
of stderr. I see it handy for comparison purpose.
Patch can bootstrap on x86_64-linux-gnu and survives regression tests.
Ready to be installed?
Thanks,
Martin
---
gcc/dumpfile.c | 3 ++-
gcc/dumpfile.h | 1 +
gcc/passes.c | 47 +++++++++++++++++++++++++++--------------------
3 files changed, 30 insertions(+), 21 deletions(-)
diff --git a/gcc/dumpfile.c b/gcc/dumpfile.c
index 5d61946fc49..9a5496a18e8 100644
--- a/gcc/dumpfile.c
+++ b/gcc/dumpfile.c
@@ -103,8 +103,9 @@ static struct dump_file_info dump_files[TDI_end] =
DUMP_FILE_INFO (".gimple", "tree-gimple", DK_tree, 0),
DUMP_FILE_INFO (".nested", "tree-nested", DK_tree, 0),
DUMP_FILE_INFO (".lto-stream-out", "ipa-lto-stream-out", DK_ipa, 0),
+ DUMP_FILE_INFO (".profile-report", "profile-report", DK_ipa, 0),
#define FIRST_AUTO_NUMBERED_DUMP 1
-#define FIRST_ME_AUTO_NUMBERED_DUMP 4
+#define FIRST_ME_AUTO_NUMBERED_DUMP 5
DUMP_FILE_INFO (NULL, "lang-all", DK_lang, 0),
DUMP_FILE_INFO (NULL, "tree-all", DK_tree, 0),
diff --git a/gcc/dumpfile.h b/gcc/dumpfile.h
index 00e175a4737..ee9e602b67f 100644
--- a/gcc/dumpfile.h
+++ b/gcc/dumpfile.h
@@ -48,6 +48,7 @@ enum tree_dump_index
TDI_gimple, /* dump each function after gimplifying it */
TDI_nested, /* dump each function after unnesting it */
TDI_lto_stream_out, /* dump information about lto streaming */
+ TDI_profile_report, /* dump information about profile quality */
TDI_lang_all, /* enable all the language dumps. */
TDI_tree_all, /* enable all the GENERIC/GIMPLE dumps.
*/
diff --git a/gcc/passes.c b/gcc/passes.c
index 07b2613ffea..a5da9a46f4e 100644
--- a/gcc/passes.c
+++ b/gcc/passes.c
@@ -1850,10 +1850,15 @@ pass_manager::dump_profile_report () const
if (!profile_record)
return;
- fprintf (stderr, "\nProfile consistency report:\n\n");
- fprintf (stderr, " |mismatch |mismatch |
|\n");
- fprintf (stderr, "Pass name |IN |IN |OUT |OUT
|overall |\n");
- fprintf (stderr, " |freq |count |freq |count
|size |time |\n");
+
+ FILE *dump_file = dump_begin (TDI_profile_report, NULL);
+ if (dump_file == NULL)
+ dump_file = stderr;
+
+ fprintf (dump_file, "Profile consistency report:\n\n");
+ fprintf (dump_file, " |mismatch |mismatch
| |\n");
+ fprintf (dump_file, "Pass name |IN |IN |OUT |OUT
|overall |\n");
+ fprintf (dump_file, " |freq |count |freq |count
|size |time |\n");
for (int i = 1; i < passes_by_id_size; i++)
if (profile_record[i].run)
@@ -1876,47 +1881,47 @@ pass_manager::dump_profile_report () const
|| rel_time_change || rel_size_change)
{
last_reported = i;
- fprintf (stderr, "%-33s", passes_by_id[i]->name);
+ fprintf (dump_file, "%-33s", passes_by_id[i]->name);
if (profile_record[i].num_mismatched_freq_in != last_freq_in)
- fprintf (stderr, "| %+5i",
+ fprintf (dump_file, "| %+5i",
profile_record[i].num_mismatched_freq_in
- last_freq_in);
else
- fprintf (stderr, "| ");
+ fprintf (dump_file, "| ");
if (profile_record[i].num_mismatched_count_in != last_count_in)
- fprintf (stderr, "| %+5i",
+ fprintf (dump_file, "| %+5i",
profile_record[i].num_mismatched_count_in
- last_count_in);
else
- fprintf (stderr, "| ");
+ fprintf (dump_file, "| ");
if (profile_record[i].num_mismatched_freq_out != last_freq_out)
- fprintf (stderr, "| %+5i",
+ fprintf (dump_file, "| %+5i",
profile_record[i].num_mismatched_freq_out
- last_freq_out);
else
- fprintf (stderr, "| ");
+ fprintf (dump_file, "| ");
if (profile_record[i].num_mismatched_count_out != last_count_out)
- fprintf (stderr, "| %+5i",
+ fprintf (dump_file, "| %+5i",
profile_record[i].num_mismatched_count_out
- last_count_out);
else
- fprintf (stderr, "| ");
+ fprintf (dump_file, "| ");
/* Size/time units change across gimple and RTL. */
if (i == pass_expand_1->static_pass_number)
- fprintf (stderr, "|----------|----------");
+ fprintf (dump_file, "|----------|----------");
else
{
if (rel_size_change)
- fprintf (stderr, "| %+8.1f%%", rel_size_change);
+ fprintf (dump_file, "| %+8.1f%%", rel_size_change);
else
- fprintf (stderr, "| ");
+ fprintf (dump_file, "| ");
if (rel_time_change)
- fprintf (stderr, "| %+8.1f%%", rel_time_change);
+ fprintf (dump_file, "| %+8.1f%%", rel_time_change);
else
- fprintf (stderr, "| ");
+ fprintf (dump_file, "| ");
}
- fprintf (stderr, "|\n");
+ fprintf (dump_file, "|\n");
last_freq_in = profile_record[i].num_mismatched_freq_in;
last_freq_out = profile_record[i].num_mismatched_freq_out;
last_count_in = profile_record[i].num_mismatched_count_in;
@@ -1925,12 +1930,14 @@ pass_manager::dump_profile_report () const
else if (last_reported != i)
{
last_reported = i;
- fprintf (stderr, "%-20s ------------| | | | |
| |\n",
+ fprintf (dump_file, "%-20s ------------| | | | |
| |\n",
passes_by_id[i]->name);
}
last_time = profile_record[i].time;
last_size = profile_record[i].size;
}
+
+ dump_end (TDI_profile_report, dump_file);
}
/* Perform all TODO actions that ought to be done on each function. */
--
2.27.0
