ls-monitor is a command-line tool accessible through a shell on a device. ls-monitor lets you see traffic going over the webOS service bus, similar to a network sniffer that lets you observe HTTP traffic.
ls-monitor [OPTIONS...]
| Option | Parameter | Description |
|---|---|---|
-h, --help | None | Displays the help. |
-f, --filter | SERVICE_NAME | Filters by service name (or unique name). e.g. |
-l, --list | None | Lists all luna services connected to a hub. |
-s, --subscriptions | None | Lists all subscriptions in the system. |
-i, --introspection | SERVICE_NAME | Lists service methods and signals. e.g. |
-v, --api-version | SERVICE_NAME | Displays the version of the service. e.g. |
-m, --malloc | None | Lists memory allocation data from all services in the system. |
-d, --debug | None | Prints extra output for debugging monitor.
Caution Be careful of unbounded memory growth when using the debug option. |
-c, --compact | None | Prints compact output to fit terminal. The followings indicate the symbols in the message printed in the Console.
e.g.
Note This option takes precedence over the debug option. |
-j, --json | None | Prints JSON-formatted output for easy parsing.
Note This option takes precedence over the debug option. |
-t, --sort-by-timestamps | None | Sorts output by timestamp instead of serial. |
--dump-hub-data-csv | None | Dumps hub data in CSV format. |
| Parameter | Description |
|---|---|
SERVICE_NAME | Specifies the name of the service. |
List all the luna services.
$ ls-monitor -l
HUB CLIENTS:
PID SERVICE NAME EXE TYPE UNIQUE NAME
988 com.webos.service.ime /usr/sbin/MaliitServer static 4bVcR4sI
1025 com.palm.webappmanager /usr/bin/WebAppMgr static 8uWCx2pk
988 com.webos.service.ime.globalplugin /usr/sbin/MaliitServer static CLWsVoGP
378 com.webos.service.pdm /usr/sbin/physical-device-manager static EiUUeTcR
738 com.webos.media /usr/sbin/umediaserver static FTZBmz2f
998 com.webos.applicationManager /usr/sbin/sam static QhqbAMrB
780 com.webos.service.downloadmanager /usr/bin/LunaDownloadMgr static 0vamvcPe
376 com.webos.memorymanager /usr/sbin/memorymanager static vq0S1Rpo
1038 com.webos.service.contextintentmgr /usr/bin/node static UMMQl4Zt
...
List the luna services and searches for the services including ‘settings’ in the results.
$ ls-monitor -l | grep 'settings'
1025 com.webos.settingsservice.client /usr/bin/WebAppMgr unknown/client only rRW5wOi9
799 com.lge.settingsservice /usr/sbin/SettingsService static 8CvddVIm
799 com.webos.settingsservice /usr/sbin/SettingsService static Hw11GM5M
988 com.webos.service.ime.settings /usr/sbin/MaliitServer static j4sFEXuc
799 com.webos.service.settings /usr/sbin/SettingsService static NQwI0Mu5
List the luna services and searches for the services including ‘com.webos.service’ in the results.
$ ls-monitor -l | grep 'com.webos.service*'
988 com.webos.service.ime /usr/sbin/MaliitServer static 4bVcR4sI
988 com.webos.service.ime.globalplugin /usr/sbin/MaliitServer static CLWsVoGP
378 com.webos.service.pdm /usr/sbin/physical-device-manager static EiUUeTcR
780 com.webos.service.downloadmanager /usr/bin/LunaDownloadMgr static 0vamvcPe
1038 com.webos.service.contextintentmgr /usr/bin/node static UMMQl4Zt
...
Request the version of the service name ‘com.webos.service.settings’.
$ ls-monitor -v com.webos.service.settings
com.webos.service.settings 1.0
List all service methods and signals registered by ‘com.webos.service.settings’.
$ ls-monitor -i com.webos.service.settings
METHODS AND SIGNALS REGISTERED BY SERVICE 'com.webos.service.settings' WITH UNIQUE NAME 'ypFkyFme' AT HUB
"/":
"getCurrentSettings": {"provides":["all","settings.read","settings"]}
"resetSystemSettingDesc": {"provides":["all","settings"]}
"getSystemSettings": {"provides":["all","settings.read","settings"]}
"setSystemSettingDesc": {"provides":["all","settings"]}
"setSystemSettingFactoryValue": {"provides":["all","settings"]}
"setSystemSettingFactoryDesc": {"provides":["all","settings"]}
"deleteSystemSettings": {"provides":["all","settings"]}
"batch": {"provides":["all","settings"]}
"getSystemSettingValues": {"provides":["all","settings.read","settings"]}
"setSystemSettingValues": {"provides":["all","settings"]}
"getSystemSettingFactoryValue": {"provides":["all","settings.read","settings"]}
"setSystemSettings": {"provides":["all","settings"]}
"getSystemSettingDesc": {"provides":["all","settings.read","settings"]}
"resetSystemSettings": {"provides":["all","settings"]}
"/internal":
"getCurrentSubscriptions": {"provides":["all","settings"]}
"instrument": {"provides":["all","settings"]}
Filter by service name ‘com.webos.service’ and searches for the logs including ‘com.webos.service.setting’ in the results without case-sensitivity restrictions.
$ ls-monitor --filter=com.webos.service | grep -i 'com.webos.service.setting*'
Contents