[ltt-dev] ltt trace files are empty

From: skrishnakar@gmail.com (Srikanth Krishnakar)
Subject: [ltt-dev] ltt trace files are empty
Date: Wed, 13 Apr 2011 15:53:13 +0530	[thread overview]
Message-ID: <4DA57991.3040704@gmail.com> (raw)
In-Reply-To: <BANLkTi=gwaxAsjAMh806L_HK1p1NefZPsA@mail.gmail.com>

Dhirendar,

You just connected the markers, where are the further steps ?

I mean :

1. ltt-armall
2. lttctl -C -w /tmp/trace1 trace1

<Run your tests here, If you have any >

3. lttctl -D trace1
4. ltt-disarmall
5. lttv -m textDump -t /tmp/trace1

-skrishnakar

On 04/13/2011 02:38 PM, Dhirender Baliyan wrote:
>
>
>
> Hi
>
> I am using
> 1) lttng 2.6.28.4
> 2)lttctl 0.64
> 3) lttv-0.12.10
>
> cross compiled it for mips
>
> my config option are CONFIG_LTT=y
> CONFIG_LTT_FILTER=y
> CONFIG_LTT_TRACEPROBES=y
> # CONFIG_HAVE_LTT_DUMP_TABLES is not set
> CONFIG_LTT_RELAY_ALLOC=y
> CONFIG_LTT_RELAY=y
> # CONFIG_LTT_RELAY_LOCKED is not set
> # CONFIG_LTT_RELAY_CHECK_RANDOM_ACCESS is not set
> CONFIG_LTT_SERIALIZE=y
> CONFIG_LTT_MARKER_CONTROL=y
> CONFIG_LTT_TRACER=y
> CONFIG_LTT_ALIGNMENT=y
> CONFIG_LTT_DEBUG_EVENT_SIZE=y
> CONFIG_LTT_USERSPACE_EVENT=y
> CONFIG_LTT_VMCORE=y
> CONFIG_LTT_NETLINK_CONTROL=y
> CONFIG_LTT_TRACE_CONTROL=y
> CONFIG_LTT_STATEDUMP=y
>
> now
> ltt-armall
> lttctl os running fine
>
> but when i do
> lttv -m textDump -t /tmp/trace1
> The input data file /var/tmp/trace1/metadata_0 does not contain a trace
> The input data file /var/tmp/trace1/block_0 does not contain a trace
> The input data file /var/tmp/trace1/fd_state_0 does not contain a trace
> The input data file /var/tmp/trace1/fs_0 does not contain a trace
> The input data file /var/tmp/trace1/global_state_0 does not contain a 
> trace
> The input data file /var/tmp/trace1/input_0 does not contain a trace
> The input data file /var/tmp/trace1/ipc_0 does not contain a trace
> The input data file /var/tmp/trace1/irq_state_0 does not contain a trace
> **
> ERROR:tracefile.c:1355:map_block: assertion failed: (block_num < 
> tf->num_blocks)
> /bin/lttv: line 15:   100 Aborted                 $0.real $*
>
> this output is coming
> so i checked /tmp/trace1 file , then i found the files are having 0 size
> -rwxr-xr-x    1 root     root            0 Jan  1 00:07 block_0
> -rwxr-xr-x    1 root     root            0 Jan  1 00:07 fd_state_0
> -rwxr-xr-x    1 root     root            0 Jan  1 00:07 fs_0
> -rwxr-xr-x    1 root     root            0 Jan  1 00:07 global_state_0
> -rwxr-xr-x    1 root     root            0 Jan  1 00:07 input_0
> -rwxr-xr-x    1 root     root            0 Jan  1 00:07 ipc_0
> -rwxr-xr-x    1 root     root            0 Jan  1 00:07 irq_state_0
> -rwxr-xr-x    1 root     root            0 Jan  1 00:07 kernel_0
> -rwxr-xr-x    1 root     root            0 Jan  1 00:07 metadata_0
> -rwxr-xr-x    1 root     root            0 Jan  1 00:07 mm_0
> -rwxr-xr-x    1 root     root            0 Jan  1 00:07 module_state_0
> -rwxr-xr-x    1 root     root            0 Jan  1 00:07 net_0
> -rwxr-xr-x    1 root     root            0 Jan  1 00:07 netif_state_0
> -rwxr-xr-x    1 root     root            0 Jan  1 00:07 rcu_0
> -rwxr-xr-x    1 root     root            0 Jan  1 00:07 softirq_state_0
> -rwxr-xr-x    1 root     root            0 Jan  1 00:07 task_state_0
> -rwxr-xr-x    1 root     root            0 Jan  1 00:07 userspace_0
> -rwxr-xr-x    1 root     root            0 Jan  1 00:07 vm_state_0
>
> I am not getting why this is coming.
> Please help
> Thanks in advance
>
> Regards
> Dhiren
>
>
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