On 06/12/2017 16:38, Chris Wilson wrote:
When tracking down the cause of a particular kernel warning, knowing
which file it is associated with can be a big clue. So write the
filename into the kernel message log prior to opening it.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
tests/debugfs_test.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/tests/debugfs_test.c b/tests/debugfs_test.c
index 268d6e78f..2e87e4420 100644
--- a/tests/debugfs_test.c
+++ b/tests/debugfs_test.c
@@ -61,8 +61,9 @@ static void read_and_discard_sysfs_entries(int path_fd, int indent)
int sub_fd;
ssize_t ret;
- igt_set_timeout(5, "reading sysfs entry");
+ igt_kmsg(KMSG_DEBUG "Reading file \"%s\"\n", dirent->d_name);
igt_debug("%sReading file \"%s\"\n", tabs, dirent->d_name);
+ igt_set_timeout(5, "reading sysfs entry");
sub_fd = openat(path_fd, dirent->d_name, O_RDONLY);
if (sub_fd == -1) {
If I may suggest an alternative - timestamp igt messages and write a log
interleaver to be used with kernel log and igt log as inputs?
That would avoid having to sprinkle igt_kmsg over igt code base as more
interesting scenarios are discovered.
Regards,
Tvrtko
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