From mboxrd@z Thu Jan 1 00:00:00 1970 From: danymadden@us.ibm.com (Dany R Madden) Date: Wed, 11 Feb 2009 16:35:39 -0800 Subject: [ltt-dev] Incomplete Traceset statistics on 2.6.27.10? Message-ID: Hello, I am playing with lttng 0.72 (patch-2.6.27.10-lttng-0.72) on 2.6.27.10 kernel. I'm using ltt-control-0.64-14012009 and lttv-0.12.7-20012009. I followed this instruction: http://ltt.polymtl.ca/svn/trunk/lttv/LTTngManual.html#section1. (I did do ltt-armall before starting the trace) I am expecting to see more information in the Traceset statistics, but they seem to be blank. What should a working trace data look like? (I can't imagine that this is it.) This is the output after doing lttv textDump. ... kernel.syscall_entry: 1727.121073743 (/tmp/trace1/kernel_0), 0, 0, /bin/dmesg, , 0, 0x0, SYSCALL { ip = 0xffffe430, syscall_id = 4 [sys_write+0x0/0x87] } fs.open: 1727.121083083 (/tmp/trace1/fs_6), 0, 0, /usr/bin/lttctl, , 0, 0x0, SYSCALL { fd = 4, filename = "/sys/kernel/debug/ltt/control/trace1/enabled" } kernel.syscall_exit: 1727.121086156 (/tmp/trace1/kernel_6), 0, 0, /usr/bin/lttctl, , 0, 0x0, SYSCALL { ret = 4 } fs.write: 1727.121087465 (/tmp/trace1/fs_0), 0, 0, /bin/dmesg, , 0, 0x0, SYSCALL { fd = 3, count = 64 } kernel.syscall_exit: 1727.121090016 (/tmp/trace1/kernel_0), 0, 0, /bin/dmesg, , 0, 0x0, SYSCALL { ret = 64 } kernel.syscall_entry: 1727.121092890 (/tmp/trace1/kernel_6), 0, 0, /usr/bin/lttctl, , 0, 0x0, SYSCALL { ip = 0xffffe430, syscall_id = 4 [sys_write+0x0/0x87] } kernel.syscall_entry: 1727.121094818 (/tmp/trace1/kernel_0), 0, 0, /bin/dmesg, , 0, 0x0, SYSCALL { ip = 0xffffe430, syscall_id = 142 [sys_select+0x0/0x148] } fs.select: 1727.121098067 (/tmp/trace1/fs_0), 0, 0, /bin/dmesg, , 0, 0x0, SYSCALL { fd = 3, timeout = -1 } End trace set Traceset statistics: statistics summed: 1 mode_types: MODE_UNKNOWN: submodes: UNKNOWN: event_types: events count: 0 events: mode_types: event_types: events count: 0 event_types: events count: 0 processes: unknown process: cpu: 0: functions: 0x0: mode_types: MODE_UNKNOWN: submodes: UNKNOWN: event_types: events count: 0 events: mode_types: event_types: events count: 0 event_types: events count: 0 mode_types: MODE_UNKNOWN: submodes: UNKNOWN: event_types: events count: 0 events: mode_types: event_types: events count: 0 event_types: events count: 0 ... I originally tried lttng on sles 11 rc1 and rc2, but had this result. I am surprised to see the same thing happening with the mainline kernel. So, whatever it is that I am doing wrong, I seems to be repeating it successfully each time. What am I doing wrong? Thanks in advance for the help. ------------------------------------------------- Dany Madden IBM Linux Technology Center, MCP Team 15400 SW Koll Pkwy, Beaverton, OR 97006 (503) 578-3086 (TL: 775-3086) danymadden at us.ibm.com -------------- next part -------------- An HTML attachment was scrubbed... URL: