1 .TH STRESSAPPTEST 1 2009-10-20
3 stressapptest \- stress test application for simulating high load situations
8 This manual page documents briefly the
12 \fBstressapptest\fP (unix name for Stressful Application Test) is a program that
13 tries to maximize randomized traffic to memory from processor and I/O, with the
14 intent of creating a realistic high load situation in order to test the existing
15 hardware devices in a computer.
17 This program supports the following options:
21 Run in degraded mode on incompatible systems.
25 Number of memory CPU stress threads to run.
29 Add a direct write disk thread with block device (or file) 'device'.
33 Add a disk thread with tempfile 'filename'.
37 Don't result check each transaction.
41 Number of memory invert threads to run.
45 Log output to file 'logfile'.
49 Number of memory copy threads to run.
53 Megabytes of RAM to test.
57 Add a network thread connecting to system at 'ipaddr'.
61 Size in bytes of memory chunks.
65 Number of seconds to run.
69 Verbosity (0-20), default is 8.
73 Use more CPU-stressful memory copy.
76 .B \-\-blocks\-per\-segment <number>
77 Number of blocks to read/write per segment per iteration (\-d).
80 .B \-\-cache\-size <size>
81 Size of disk cache (\-d).
84 .B \-\-cc_inc_count <number>
85 Number of times to increment the cacheline's member.
88 .B \-\-cc_line_count <number>
89 Mumber of cache line sized datastructures to allocate for the cache coherency
94 Do the cache coherency testing.
98 Write/wipe disk partition (\-d).
101 .B \-\-filesize <size>
102 Size of disk IO tempfiles.
106 Find locations to do disk IO automatically.
110 Inject false errors to test error handling.
113 .B \-\-force_errors_like_crazy
114 Inject a lot of false errors to test error handling.
118 Run threads that listen for incoming net connections.
122 Choose memory regions associated with each CPU to be tested by that CPU.
125 .B \-\-max_errors <number>
126 Exit early after finding specified number of errors.
130 Only do ECC error polling, no stress load.
134 Run without checking for ECC or other errors.
137 .B \-\-paddr_base <address>
138 Allocate memory starting from this address.
141 .B \-\-pause_delay <seconds>
142 Delay (in seconds) between power spikes.
145 .B \-\-pause_duration <seconds>
146 Duration (in seconds) of each pause.
149 .B \-\-random-threads <number>
150 Number of random threads for each disk write thread (\-d).
153 .B \-\-read-block-size <size>
154 Size of block for reading (\-d).
157 .B \-\-read-threshold <time>
158 Maximum time (in us) a block read should take (\-d).
161 .B \-\-remote_numa <time>
162 Choose memory regions not associated with each CPU to be tested by that CPU.
165 .B \-\-segment-size <size>
166 Size of segments to split disk into (\-d).
169 .B \-\-stop_on_errors
170 Stop after finding the first error.
173 .B \-\-write-block-size <size>
174 Size of block for writing (\-d). If not defined, the size of block for writing
175 will be defined as the size of block for reading.
178 .B \-\-write-threshold <time>
179 Maximum time (in us) a block write should take (\-d).
182 .BR http://code.google.com/p/stressapptest/
184 stressapptest was written by Nick Sanders and Rapahel Menderico (Google Inc).
186 This manual page was written by Michael Prokop <mika@debian.org>
187 for the Debian project (and may be used by others).