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BLTK(1) Battery life tool kit BLTK(1) NAME
bltk - tool kit is used to measure battery life and performance under different workloads on Linux. SYNOPSIS
bltk [-hVvaNAcCBXswiIRDPGOYZyQzxul] [-t sec] [-r results_dir] [-m {0,1}] [-U path] [-g setup] [-J pid] [-T time] [-F file] [-W app] [-L title] [-K comment] [-e app] [-E app] [-p percent] [-d percent] [-o {0,1,2}] [-q file] [-b percent] [-f command] [-k num] DESCRIPTION
The BLTK can be used with various workloads to simulate different types of laptop usage. The following workloads are currently imple- mented: Idle workload collect statistics only (mostly used to measure battery life) Developer workload simulates code development in Linux environment Reader workload simulates text reading on laptop (mostly used to measure battery life) Playback workload simulates laptop entertaining usage (produces constant average load on the system) 3d game workload simulates 3D-gaming on laptop (Unreal Tournament demo is used to create this workload) Office Activity workload simulates laptop usage for different office activities (based on OpenOffice.org office suit) When started, test collects platform/OS initial info and if it's OK prompts user to unplug AC adapter. After cable unplugged, workload started. During the workload execution test harness collects various system information (e.g. CPU load, battery drain, display state, CPU frequency, etc...). After battery completely discharged user should plug the AC cable back and boot the system. When it is done the results are available. There are several tools for result evaluation. They allow creating report file for test run, to gather results into a table for system com- parison, and to draw graphs for different purposes. Results - after the battery dies and the system booted back, the results are available. They are stored in 'bltk/<wokload_name>.results' directory (or in the directory, specified in -r option). If target directory already exist the tool will add numeric extension to its name (.001, .002 e.t.c.) The results consist of the following files (see below for detailed description): cmd In this file 'bltk' command with arguments are stored infoi<N>.log (info1.log, info2.log, ...) Here initial system info is stored. Another two files (info1.log, info2.log) contains system info after AC adapter was unplugged, and on 5% battery capacity remained. They are used to check whether any changes occurred during test execution. stat.log Statistics generated by bltk harness are stored here. One statistic line generated per 1 minute (or per number of seconds, specified in -t option). system<N> When -k 1 is used, the system information is stored under this directory. The numbers at the end of directory name have the follow- ing meanings: 0 initial system info 1 system info after AC adapter was unplugged 2 system info on 5% battery capacity remained version this file contains version information workload the file contains info about workload work_out.log err.log There are stored any error messages warning.log Contains warnings work.log Strings generated by USR1, USR2 signals from workload. String format is the same as in the 'stat.log' file. fail when test fails score Report Report.table OPTIONS
-h, --help Help; display a help message and then exits. -V, --version Version; display version number and then exits. -v, --verbose Verbose -a, --ac-ignore ignore ac adapter state check (on/off) -N, --time-stat-ignore disable time statistics -A, --ac-stat-ignore disable ac adapter statistics -c, --cpu-stat-ignore disable cpu load statistics -C, --cpu-add-stat-ignore disable cpu additional statistics -B, --bat-stat-ignore disable battery statistics -X, --disp-stat-ignore Disable display state statistics -H, --hd-stat-ignore disable hard drive state statistics -t seconds, --report-time seconds frequency of report line generation in seconds -r results_dir, --results results_dir name of results directory -s, --stat-ignore disable all statistics -w, --work-stat-ignore disable workload statistics -m {0,1}, --stat-memory {0,1} dump statistics directly on disk or keep in memory, if statistics are kept in memory, it will be dumped on disk at low battery capacity, or at the test end 0 disk 1 memory (by default) -i, --idle-test idle test -I, --idle idle workload -R, --reader reader workload -D, --developer developer workload -P,'--player" playback workload -G, --game 3D-gaming workload -O, --office office productivity workload -U path, --user path user-specified workload (path to executable) -g routine, --user-init routine" setup routines for user-specified workload -Y, --discharging battery discharge mode -Z, --charging battery charge mode -J pid, --jobs pid make jobs number -T seconds, --time seconds workload time -F, --file workload file -W, --prog workload program name of player (player workload, default 'mplayer') name of web-browser (reader workload, default 'fire- fox') -L, --title title of web-browser document -M, --manufacturer enable time and cpu load statistics only -S, --show demo/debug mode, one iteration only -n, --show-num demo/debug mode, 'show-num' iteration -j, --show-cnt demo/debug mode, 'show-cnt' sub iteration -T seconds, --show-time seconds demo/debug mode, debug time -K comment, --comment comment user comment for report -e application, --init-prog application run program before test starting -E application, --init-prog-su application run program as root before test starting -y, --yes auto 'yes' answer to all questions -Q, --debug debug workload (see cpu-load and disp-load below) -p percent, --cpu-load percent debug workload, the time cpu loaded in percent -d percent, --disp-load percent Debug workload, the time display on in percent -o {0,1,2}, --output {0,1,2} direct workload output: 0 file 1 file and console 2 /dev/null, other - console -z, --debug-vars debug option -q file, --debug-vars-file file debug option - debug variables file -x, --dpms debug option - try to use display power management -u, --spy debug option - try to find out unexpected system activity -l, --simul-laptop debug option, laptop simulation -b percent, --bat-sync percent debug option, battery critical capacity, default 5% -f command, --user-field command the output of user-specified command being added to statistics Example: -f "cat /proc/acpi/thermal_zone/TZ01/temperature | awk '{print }'" -k num, --stat-system num debug option, save system files, default 0 EXAMPLES
bltk -I or --idle idle workload running bltk -R or --reader reader workload running bltk -D or --developer developer workload running bltk -O or --office office workload running bltk -P or --player player workload running bltk -G or --game game workload running bltk -i or --idle-test -T 60 -t 1 idle test running for 60 seconds, stats interval 1 second SEE ALSO
bltk.conf(5), bltk_report(1) AUTHOR
Konstantin Karasyov <konstantin.a.karasyov@intel.com> Vladimir Lebedev <vladimir.p.lebedev@intel.com> BLTK
15 July 2008 BLTK(1)
