* [ltt-dev] WARNING **: No channel for marker named kernel.syscall_entry found.
@ 2009-04-14 7:15 Jack Daniel
2009-04-14 12:07 ` Philby John
0 siblings, 1 reply; 2+ messages in thread
From: Jack Daniel @ 2009-04-14 7:15 UTC (permalink / raw)
Hello,
Could someone tell me the meaning of the warnings "WARNING **: No channel for marker named kernel.syscall_entry found etc..." and how may I fix this warning?
Thanks and regards,
Jack
[root at localhost linux]# lttctl -C -w /tmp/trace1 trace1
Linux Trace Toolkit Trace Control 0.62-23122008??????? ?
Controlling trace : trace1
lttctl: Creating trace
lttctl: Forking lttd
Linux Trace Toolkit Trace Daemon 0.62-23122008
Reading from debugfs directory : /mnt/debugfs/ltt/trace1
Writing to trace directory : /tmp/trace1????????????? ?
lttctl: Starting trace
[root at localhost linux]# lttctl -D trace1? ?
Linux Trace Toolkit Trace Control 0.62-23122008
Controlling trace : trace1
lttctl: Pausing trace
lttctl: Destroying trace
[root at localhost linux]# lttv -m textDump -t /tmp/trace1
** (process:11558): WARNING **: No channel for marker named kernel.syscall_entry found
** (process:11558): WARNING **: No channel for marker named kernel.trap_entry found
** (process:11558): WARNING **: No channel for marker named kernel.irq_entry found
** (process:11558): WARNING **: No channel for marker named kernel.syscall_entry found
** (process:11558): WARNING **: No channel for marker named kernel.syscall_exit found
** (process:11558): WARNING **: No channel for marker named kernel.trap_entry found
** (process:11558): WARNING **: No channel for marker named kernel.trap_exit found
** (process:11558): WARNING **: No channel for marker named kernel.page_fault_entry found
** (process:11558): WARNING **: No channel for marker named kernel.page_fault_exit found
** (process:11558): WARNING **: No channel for marker named kernel.page_fault_nosem_entry found
** (process:11558): WARNING **: No channel for marker named kernel.page_fault_nosem_exit found
** (process:11558): WARNING **: No channel for marker named kernel.irq_entry found
** (process:11558): WARNING **: No channel for marker named kernel.irq_exit found
** (process:11558): WARNING **: No channel for marker named kernel.softirq_raise found
** (process:11558): WARNING **: No channel for marker named kernel.softirq_entry found
** (process:11558): WARNING **: No channel for marker named kernel.softirq_exit found
** (process:11558): WARNING **: No channel for marker named kernel.sched_schedule found
** (process:11558): WARNING **: No channel for marker named kernel.process_fork found
** (process:11558): WARNING **: No channel for marker named kernel.kthread_create found
** (process:11558): WARNING **: No channel for marker named kernel.process_exit found
** (process:11558): WARNING **: No channel for marker named kernel.process_free found
** (process:11558): WARNING **: No channel for marker named fs.exec found
** (process:11558): WARNING **: No channel for marker named userspace.thread_brand found
** (process:11558): WARNING **: No channel for marker named task_state.process_state found
** (process:11558): WARNING **: No channel for marker named global_state.statedump_end found
** (process:11558): WARNING **: No channel for marker named irq_state.interrupt found
** (process:11558): WARNING **: No channel for marker named block._blk_request_issue found
** (process:11558): WARNING **: No channel for marker named block._blk_request_complete found
** (process:11558): WARNING **: No channel for marker named userspace.function_entry found
** (process:11558): WARNING **: No channel for marker named userspace.function_exit found
** (process:11558): WARNING **: No channel for marker named syscall_state.sys_call_table found
** (process:11558): WARNING **: No channel for marker named kprobe_state.kprobe_table found
** (process:11558): WARNING **: No channel for marker named softirq_state.softirq_vec found
Trace set contains 1 traces
metadata.core_marker_id: 58328.721400644 (/tmp/trace1/metadata_0), 0, 0, , , 0, 0x0, MODE_UNKNOWN { channel = "metadata", name = "core_marker_format", event_id = 1, int = 4, long = 4, pointer = 4, size_t = 4, alignment = 0 }
metadata.core_marker_format: 58328.721405388 (/tmp/trace1/metadata_0), 0, 0, , , 0, 0x0, MODE_UNKNOWN { channel = "metadata", name = "core_marker_format", format = "channel %s name %s format %s" }
metadata.core_marker_id: 58328.721407305 (/tmp/trace1/metadata_0), 0, 0, , , 0, 0x0, MODE_UNKNOWN { channel = "metadata", name = "core_marker_id", event_id = 0, int = 4, long = 4, pointer = 4, size_t = 4, alignment = 0 }
metadata.core_marker_format: 58328.721409452 (/tmp/trace1/metadata_0), 0, 0, , , 0, 0x0, MODE_UNKNOWN { channel = "metadata", name = "core_marker_id", format = "channel %s name %s event_id %hu int #1u%zu long #1u%zu pointer #1u%zu size_t #1u%zu alignment #1u%u" }
metadata.core_marker_id: 58328.721411407 (/tmp/trace1/metadata_0), 0, 0, , , 0, 0x0, MODE_UNKNOWN { channel = "metadata", name = "core_marker_id", event_id = 0, int = 4, long = 4, pointer = 4, size_t = 4, alignment = 0 }
metadata.core_marker_format: 58328.721413542 (/tmp/trace1/metadata_0), 0, 0, , , 0, 0x0, MODE_UNKNOWN { channel = "metadata", name = "core_marker_id", format = "channel %s name %s event_id %hu int #1u%zu long #1u%zu pointer #1u%zu size_t #1u%zu alignment #1u%u" }
metadata.core_marker_id: 58328.721415471 (/tmp/trace1/metadata_0), 0, 0, , , 0, 0x0, MODE_UNKNOWN { channel = "metadata", name = "core_marker_format", event_id = 1, int = 4, long = 4, pointer = 4, size_t = 4, alignment = 0 }
metadata.core_marker_format: 58328.721417527 (/tmp/trace1/metadata_0), 0, 0, , , 0, 0x0, MODE_UNKNOWN { channel = "metadata", name = "core_marker_format", format = "channel %s name %s format %s" }
metadata.core_marker_id: 58328.721419283 (/tmp/trace1/metadata_0), 0, 0, , , 0, 0x0, MODE_UNKNOWN { channel = "metadata", name = "core_marker_format", event_id = 1, int = 4, long = 4, pointer = 4, size_t = 4, alignment = 0 }
metadata.core_marker_format: 58328.721421317 (/tmp/trace1/metadata_0), 0, 0, , , 0, 0x0, MODE_UNKNOWN { channel = "metadata", name = "core_marker_format", format = "channel %s name %s format %s" }
End trace set
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^ permalink raw reply [flat|nested] 2+ messages in thread* [ltt-dev] WARNING **: No channel for marker named kernel.syscall_entry found.
2009-04-14 7:15 [ltt-dev] WARNING **: No channel for marker named kernel.syscall_entry found Jack Daniel
@ 2009-04-14 12:07 ` Philby John
0 siblings, 0 replies; 2+ messages in thread
From: Philby John @ 2009-04-14 12:07 UTC (permalink / raw)
Jack,
You could try using "ltt-armall" command before starting the trace
"lttctl -C -w /tmp/trace1 trace1"
Regards,
Philby
On Tue, 2009-04-14 at 00:15 -0700, Jack Daniel wrote:
> Hello,
>
> Could someone tell me the meaning of the warnings "WARNING **: No
> channel for marker named kernel.syscall_entry found etc..." and how
> may I fix this warning?
>
> Thanks and regards,
> Jack
>
> [root at localhost linux]# lttctl -C -w /tmp/trace1 trace1
> Linux Trace Toolkit Trace Control 0.62-23122008
>
> Controlling trace : trace1
>
> lttctl: Creating trace
> lttctl: Forking lttd
> Linux Trace Toolkit Trace Daemon 0.62-23122008
>
> Reading from debugfs directory : /mnt/debugfs/ltt/trace1
> Writing to trace directory : /tmp/trace1
>
> lttctl: Starting trace
> [root at localhost linux]# lttctl -D trace1
> Linux Trace Toolkit Trace Control 0.62-23122008
>
> Controlling trace : trace1
>
> lttctl: Pausing trace
> lttctl: Destroying trace
> [root at localhost linux]# lttv -m textDump -t /tmp/trace1
>
> ** (process:11558): WARNING **: No channel for marker named
> kernel.syscall_entry found
>
> ** (process:11558): WARNING **: No channel for marker named
> kernel.trap_entry found
>
> ** (process:11558): WARNING **: No channel for marker named
> kernel.irq_entry found
>
> ** (process:11558): WARNING **: No channel for marker named
> kernel.syscall_entry found
>
> ** (process:11558): WARNING **: No channel for marker named
> kernel.syscall_exit found
>
> ** (process:11558): WARNING **: No channel for marker named
> kernel.trap_entry found
>
> ** (process:11558): WARNING **: No channel for marker named
> kernel..trap_exit found
>
> ** (process:11558): WARNING **: No channel for marker named
> kernel.page_fault_entry found
>
> ** (process:11558): WARNING **: No channel for marker named
> kernel.page_fault_exit found
>
> ** (process:11558): WARNING **: No channel for marker named
> kernel.page_fault_nosem_entry found
>
> ** (process:11558): WARNING **: No channel for marker named
> kernel.page_fault_nosem_exit found
>
> ** (process:11558): WARNING **: No channel for marker named
> kernel.irq_entry found
>
> ** (process:11558): WARNING **: No channel for marker named
> kernel..irq_exit found
>
> ** (process:11558): WARNING **: No channel for marker named
> kernel.softirq_raise found
>
> ** (process:11558): WARNING **: No channel for marker named
> kernel.softirq_entry found
>
> ** (process:11558): WARNING **: No channel for marker named
> kernel.softirq_exit found
>
> ** (process:11558): WARNING **: No channel for marker named
> kernel.sched_schedule found
>
> ** (process:11558): WARNING **: No channel for marker named
> kernel.process_fork found
>
> ** (process:11558): WARNING **: No channel for marker named
> kernel.kthread_create found
>
> ** (process:11558): WARNING **: No channel for marker named
> kernel.process_exit found
>
> ** (process:11558): WARNING **: No channel for marker named
> kernel.process_free found
>
> ** (process:11558): WARNING **: No channel for marker named fs.exec
> found
>
> ** (process:11558): WARNING **: No channel for marker named
> userspace.thread_brand found
>
> ** (process:11558): WARNING **: No channel for marker named
> task_state.process_state found
>
> ** (process:11558): WARNING **: No channel for marker named
> global_state.statedump_end found
>
> ** (process:11558): WARNING **: No channel for marker named
> irq_state.interrupt found
>
> ** (process:11558): WARNING **: No channel for marker named
> block._blk_request_issue found
>
> ** (process:11558): WARNING **: No channel for marker named
> block._blk_request_complete found
>
> ** (process:11558): WARNING **: No channel for marker named
> userspace.function_entry found
>
> ** (process:11558): WARNING **: No channel for marker named
> userspace.function_exit found
>
> ** (process:11558): WARNING **: No channel for marker named
> syscall_state.sys_call_table found
>
> ** (process:11558): WARNING **: No channel for marker named
> kprobe_state.kprobe_table found
>
> ** (process:11558): WARNING **: No channel for marker named
> softirq_state.softirq_vec found
> Trace set contains 1 traces
>
> metadata.core_marker_id: 58328.721400644 (/tmp/trace1/metadata_0), 0,
> 0, , , 0, 0x0, MODE_UNKNOWN { channel = "metadata", name =
> "core_marker_format", event_id = 1, int = 4, long = 4, pointer = 4,
> size_t = 4, alignment = 0 }
> metadata.core_marker_format: 58328.721405388 (/tmp/trace1/metadata_0),
> 0, 0, , , 0, 0x0, MODE_UNKNOWN { channel = "metadata", name =
> "core_marker_format", format = "channel %s name %s format %s" }
> metadata.core_marker_id: 58328.721407305 (/tmp/trace1/metadata_0), 0,
> 0, , , 0, 0x0, MODE_UNKNOWN { channel = "metadata", name =
> "core_marker_id", event_id = 0, int = 4, long = 4, pointer = 4, size_t
> = 4, alignment = 0 }
> metadata.core_marker_format: 58328.721409452 (/tmp/trace1/metadata_0),
> 0, 0, , , 0, 0x0, MODE_UNKNOWN { channel = "metadata", name =
> "core_marker_id", format = "channel %s name %s event_id %hu int #1u%zu
> long #1u%zu pointer #1u%zu size_t #1u%zu alignment #1u%u" }
> metadata.core_marker_id: 58328.721411407 (/tmp/trace1/metadata_0), 0,
> 0, , , 0, 0x0, MODE_UNKNOWN { channel = "metadata", name =
> "core_marker_id", event_id = 0, int = 4, long = 4, pointer = 4, size_t
> = 4, alignment = 0 }
> metadata.core_marker_format: 58328.721413542 (/tmp/trace1/metadata_0),
> 0, 0, , , 0, 0x0, MODE_UNKNOWN { channel = "metadata", name =
> "core_marker_id", format = "channel %s name %s event_id %hu int #1u%zu
> long #1u%zu pointer #1u%zu size_t #1u%zu alignment #1u%u" }
> metadata.core_marker_id: 58328.721415471 (/tmp/trace1/metadata_0), 0,
> 0, , , 0, 0x0, MODE_UNKNOWN { channel = "metadata", name =
> "core_marker_format", event_id = 1, int = 4, long = 4, pointer = 4,
> size_t = 4, alignment = 0 }
> metadata.core_marker_format: 58328.721417527 (/tmp/trace1/metadata_0),
> 0, 0, , , 0, 0x0, MODE_UNKNOWN { channel = "metadata", name =
> "core_marker_format", format = "channel %s name %s format %s" }
> metadata.core_marker_id: 58328.721419283 (/tmp/trace1/metadata_0), 0,
> 0, , , 0, 0x0, MODE_UNKNOWN { channel = "metadata", name =
> "core_marker_format", event_id = 1, int = 4, long = 4, pointer = 4,
> size_t = 4, alignment = 0 }
> metadata.core_marker_format: 58328.721421317 (/tmp/trace1/metadata_0),
> 0, 0, , , 0, 0x0, MODE_UNKNOWN { channel = "metadata", name =
> "core_marker_format", format = "channel %s name %s format %s" }
> End trace set
>
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2009-04-14 12:07 ` Philby John
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