From mboxrd@z Thu Jan 1 00:00:00 1970 From: turanammo@rocketmail.com (Jack Daniel) Date: Tue, 14 Apr 2009 00:15:10 -0700 (PDT) Subject: [ltt-dev] WARNING **: No channel for marker named kernel.syscall_entry found. Message-ID: <437741.75437.qm@web111206.mail.gq1.yahoo.com> 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 -------------- next part -------------- An HTML attachment was scrubbed... URL: