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Diffstat (limited to 'testsuite/systemtap.examples/index.txt')
| -rw-r--r-- | testsuite/systemtap.examples/index.txt | 50 |
1 files changed, 25 insertions, 25 deletions
diff --git a/testsuite/systemtap.examples/index.txt b/testsuite/systemtap.examples/index.txt index 72ae3633..fce068b8 100644 --- a/testsuite/systemtap.examples/index.txt +++ b/testsuite/systemtap.examples/index.txt @@ -1,8 +1,8 @@ SYSTEMTAP EXAMPLES INDEX -(see also subsystem-index.txt, keyword-index.txt) +(see also keyword-index.txt) general/graphs.stp - Graphing Disk and CPU Utilization -subsystems: disk cpu, keywords: disk cpu use graph +keywords: disk cpu use graph The script tracks the disk and CPU utilization. The resulting output of the script can be piped into gnuplot to generate a graph of disk @@ -10,14 +10,14 @@ subsystems: disk cpu, keywords: disk cpu use graph general/helloworld.stp - SystemTap "Hello World" Program -subsystems: none, keywords: simple +keywords: simple A basic "Hello World" program implemented in SystemTap script. It prints out "hello world" message and then immediately exits. general/para-callgraph.stp - Callgraph tracing with arguments -subsystems: general, keywords: trace callgraph +keywords: trace callgraph Print a timed per-thread callgraph, complete with function parameters and return values. The first parameter names the function probe @@ -28,14 +28,14 @@ subsystems: general, keywords: trace callgraph io/disktop.stp - Summarize Disk Read/Write Traffic -subsystems: disk, keywords: disk +keywords: disk Get the status of reading/writing disk every 5 seconds, output top ten entries during that period. io/io_submit.stp - Tally Reschedule Reason During AIO io_submit Call -subsystems: io, keywords: io backtrace +keywords: io backtrace When a reschedule occurs during an AIO io_submit call, accumulate the traceback in a histogram. When the script exits prints out a sorted @@ -43,7 +43,7 @@ subsystems: io, keywords: io backtrace io/iotime.stp - Trace Time Spent in Read and Write for Files -subsystems: syscall, keywords: syscall read write time io +keywords: syscall read write time io The script watches each open, close, read, and write syscalls on the system. For each file the scripts observes opened it accumulates the @@ -59,28 +59,28 @@ subsystems: syscall, keywords: syscall read write time io io/iotop.stp - Periodically Print I/O Activity by Process Name -subsystems: io, keywords: io +keywords: io Every five seconds print out the top ten executables generating I/O traffic during that interval sorted in descending order. io/traceio.stp - Track Cumulative I/O Activity by Process Name -subsystems: io, keywords: io +keywords: io Every second print out the top ten executables sorted in descending order based on cumulative I/O traffic observed. io/traceio2.stp - Watch I/O Activity on a Particular Device -subsystems: io, keywords: io +keywords: io Print out the executable name and process number as reads and writes to the specified device occur. network/nettop.stp - Periodic Listing of Processes Using Network Interfaces -subsystems: network, keywords: network traffic per-process +keywords: network traffic per-process Every five seconds the nettop.stp script prints out a list of processed (PID and command) with the number of packets sent/received @@ -89,7 +89,7 @@ subsystems: network, keywords: network traffic per-process network/socket-trace.stp - Trace Functions called in Network Socket Code -subsystems: network, keywords: network socket +keywords: network socket The script instrument each of the functions inn the Linux kernel's net/socket.c file. The script prints out trace. The first element of @@ -100,7 +100,7 @@ subsystems: network, keywords: network socket process/futexes.stp - System-Wide Futex Contention -subsystems: locking, keywords: syscall locking futex +keywords: syscall locking futex The script watches the futex syscall on the system. On exit the futexes address, the number of contentions, and the average time for @@ -109,7 +109,7 @@ subsystems: locking, keywords: syscall locking futex process/pf2.stp - Profile kernel functions -subsystems: kernel, keywords: profiling +keywords: profiling The pf2.stp script sets up time-based sampling. Every five seconds it prints out a sorted list with the top ten kernel functions with @@ -117,19 +117,19 @@ subsystems: kernel, keywords: profiling process/sig_by_pid.stp - Signal Counts by Process ID -subsystems: signals, keywords: signals +keywords: signals Print signal counts by process ID in descending order. process/sig_by_proc.stp - Signal Counts by Process Name -subsystems: signals, keywords: signals +keywords: signals Print signal counts by process name in descending order. process/sigkill.stp - Track SIGKILL Signals -subsystems: signals, keywords: signals +keywords: signals The script traces any SIGKILL signals. When that SIGKILL signal is sent to a process, the script prints out the signal name, the @@ -138,7 +138,7 @@ subsystems: signals, keywords: signals process/syscalls_by_pid.stp - System-Wide Count of Syscalls by PID -subsystems: signals, keywords: signals +keywords: signals The script watches for a particular signal sent to a specific process. When that signal is sent to the specified process, the @@ -148,7 +148,7 @@ subsystems: signals, keywords: signals process/sleepingBeauties.stp - Generating Backtraces of Threads Waiting for IO Operations -subsystems: scheduler, keywords: io scheduler backtrace +keywords: io scheduler backtrace The script monitors the time that threads spend waiting for IO operations (in "D" state) in the wait_for_completion function. If a @@ -157,7 +157,7 @@ subsystems: scheduler, keywords: io scheduler backtrace process/sleeptime.stp - Trace Time Spent in nanosleep Syscalls -subsystems: syscall, keywords: syscall sleep +keywords: syscall sleep The script watches each nanosleep syscall on the system. At the end of each nanosleep syscall the script prints out a line with a @@ -167,7 +167,7 @@ subsystems: syscall, keywords: syscall sleep process/syscalls_by_pid.stp - System-Wide Count of Syscalls by PID -subsystems: syscall, keywords: syscall +keywords: syscall The script watches all syscall on the system. On exit the script prints a list showing the number of systemcalls executed by each PID @@ -175,7 +175,7 @@ subsystems: syscall, keywords: syscall process/syscalls_by_proc.stp - System-Wide Count of Syscalls by Executable -subsystems: syscall, keywords: syscall +keywords: syscall The script watches all syscall on the system. On exit the script prints a list showing the number of systemcalls executed by each @@ -183,7 +183,7 @@ subsystems: syscall, keywords: syscall process/wait4time.stp - Trace Time Spent in wait4 Syscalls -subsystems: syscall, keywords: syscall wait4 +keywords: syscall wait4 The script watches each wait4 syscall on the system. At the end of each wait4 syscall the script prints out a line with a timestamp in @@ -193,7 +193,7 @@ subsystems: syscall, keywords: syscall wait4 profiling/functioncallcount.stp - Count Times Functions Called -subsystems: kernel, keywords: profiling functions +keywords: profiling functions The functioncallcount.stp script takes one argument, a list of functions to probe. The script will run and count the number of times @@ -203,7 +203,7 @@ subsystems: kernel, keywords: profiling functions profiling/thread-times.stp - Profile kernel functions -subsystems: kernel, keywords: profiling +keywords: profiling The thread-times.stp script sets up time-based sampling. Every five seconds it prints out a sorted list with the top twenty processes |