ktest: Add BISECT_FILES to run git bisect on paths

Add the config option BISECT_FILES that allows the user to specify what path in the kernel to run the git bisect on. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

ktest: Add BISECT_FILES to run git bisect on paths
Add the config option BISECT_FILES that allows the user to specify what path in the kernel to run the git bisect on. Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Steven Rostedt · Steven Rostedt
1 parent c23dca7cd2
Showing 2 changed files with 17 additions and 1 deletions Side-by-side Diff
tools/testing/ktest/ktest.pl
tools/testing/ktest/sample.conf
@@ -1280,7 +1280,14 @@
     my $type = $opt{"BISECT_TYPE[$i]"};
     my $start = $opt{"BISECT_START[$i]"};
     my $replay = $opt{"BISECT_REPLAY[$i]"};
+    my $start_files = $opt{"BISECT_FILES[$i]"};
  
+    if (defined($start_files)) {
+	$start_files = " -- " . $start_files;
+    } else {
+	$start_files = "";
+    }
+
     # convert to true sha1's
     $good = get_sha1($good);
     $bad = get_sha1($bad);
@@ -1333,7 +1340,7 @@
 	    die "Failed to checkout $head";
     }
  
-    run_command "git bisect start" or
+    run_command "git bisect start$start_files" or
 	dodie "could not start bisect";
  
     run_command "git bisect good $good" or
@@ -528,6 +528,15 @@
 #   when something other than the BISECT_TYPE fails, ktest.pl will
 #   run "git bisect skip" and try again.
 #
+# BISECT_FILES = <path> (optional, default undefined)
+#
+#   To just run the git bisect on a specific path, set BISECT_FILES.
+#   For example:
+#
+#     BISECT_FILES = arch/x86 kernel/time
+#
+#   Will run the bisect with "git bisect start -- arch/x86 kernel/time"
+#
 # BISECT_REVERSE = 1 (optional, default 0)
 #
 #   In those strange instances where it was broken forever
...	...	@@ -1280,7 +1280,14 @@
1280	1280	my $type = $opt{"BISECT_TYPE[$i]"};
1281	1281	my $start = $opt{"BISECT_START[$i]"};
1282	1282	my $replay = $opt{"BISECT_REPLAY[$i]"};
	1283	+ my $start_files = $opt{"BISECT_FILES[$i]"};
1283	1284
	1285	+ if (defined($start_files)) {
	1286	+ $start_files = " -- " . $start_files;
	1287	+ } else {
	1288	+ $start_files = "";
	1289	+ }
	1290	+
1284	1291	# convert to true sha1's
1285	1292	$good = get_sha1($good);
1286	1293	$bad = get_sha1($bad);
...	...	@@ -1333,7 +1340,7 @@
1333	1340	die "Failed to checkout $head";
1334	1341	}
1335	1342
1336		- run_command "git bisect start" or
	1343	+ run_command "git bisect start$start_files" or
1337	1344	dodie "could not start bisect";
1338	1345
1339	1346	run_command "git bisect good $good" or
...	...	@@ -528,6 +528,15 @@
528	528	# when something other than the BISECT_TYPE fails, ktest.pl will
529	529	# run "git bisect skip" and try again.
530	530	#
	531	+# BISECT_FILES = <path> (optional, default undefined)
	532	+#
	533	+# To just run the git bisect on a specific path, set BISECT_FILES.
	534	+# For example:
	535	+#
	536	+# BISECT_FILES = arch/x86 kernel/time
	537	+#
	538	+# Will run the bisect with "git bisect start -- arch/x86 kernel/time"
	539	+#
531	540	# BISECT_REVERSE = 1 (optional, default 0)
532	541	#
533	542	# In those strange instances where it was broken forever