On Fri, Apr 15, 2011 at 11:59:03AM +0200, azurIt wrote: > > Also this new patch is working fine and fixing the problem. > > Mel, I cannot run your script: > # perl watch-highorder-latency.pl > Failed to open /sys/kernel/debug/tracing/set_ftrace_filter for writing at watch-highorder-latency.pl line 17. > > # ls -ld /sys/kernel/debug/ > ls: cannot access /sys/kernel/debug/: No such file or directory > mount -t debugfs none /sys/kernel/debug If it still doesn't work, sysfs or the necessary FTRACE options are not enabled on your .config. I'll give you a list if that is the case. Thanks. -- Mel Gorman SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>