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LTTNG-SCHEDSTATS-MI(1) User Commands LTTNG-SCHEDSTATS-MI(1)

NAME

lttng-schedstats-mi - LTTng analyses Scheduler statistics machine interface

DESCRIPTION

usage: lttng-schedstats-mi [-h] [-r REFRESH] [--gmt] [--skip-validation]

[--begin BEGIN] [--end END] [--period PERIOD]
[--period-captures PERIOD_CAPTURES] [--period-begin PERIOD_BEGIN] [--period-end PERIOD_END] [--period-begin-key PERIOD_BEGIN_KEY] [--period-end-key PERIOD_END_KEY] [--period-key-value PERIOD_KEY_VALUE] [--cpu CPU] [--timerange TIMERANGE] [--progress-use-size] [--no-intersection] [-V] [--debug] [--no-color] [--no-progress] [--min MIN] [--max MAX] [--procname PROCNAME] [--tid TID] [--freq] [--freq-resolution FREQ_RESOLUTION] [--freq-uniform] [--freq-series] [--limit LIMIT] [--top] [--log] [--stats] [--total] [--per-tid] [--per-prio] <path/to/trace>

The sched command.

positional arguments:

<path/to/trace>
trace path

optional arguments:

show this help message and exit
Refresh period, with optional units suffix (default units: s)
Manipulate timestamps based on GMT instead of local time
Skip the trace validation
start time: hh:mm:ss[.nnnnnnnnn]
end time: hh:mm:ss[.nnnnnnnnn]
Period definition
Period captures definition
Analysis period start marker event name
Analysis period end marker event name (requires --period-begin)
Optional, list of event field names used to match period markers (default: cpu_id)
Optional, list of event field names used to match period marker. If none specified, use the same --period-begin-key
Optional, define a fixed key value to which a period must correspond to be considered.
Filter the results only for this list of CPU IDs
time range: [begin,end]
use trace size to approximate progress
disable stream intersection mode
show program's version number and exit
Enable debug mode (or set LTTNG_ANALYSES_DEBUG environment variable)
Disable colored output
Don't display the progress bar
Filter out durations shorter than min usec
Filter out durations longer than max usec
Filter the results only for this list of process names
Filter the results only for this list of TIDs
Output the frequency distribution of sched switch latencies
Frequency distribution resolution (default 20)
Use a uniform resolution across distributions
Consolidate frequency distribution histogram as a single one
Limit to top X (default = 10)
Output the top sched switch latencies
Output the sched switches in chronological order
Output sched switch statistics
Group all results (applies to stats and freq)
Group results per-TID (applies to stats and freq) (default)
Group results per-prio (applies to stats and freq)
January 2017 LTTng Analyses v0.6.0