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Shell Programming and Scripting
Capture run time of python script executed inside shell script
Post 302995927 by RudiC on Saturday 15th of April 2017 01:45:09 AM
04-15-2017
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LEARN ABOUT POSIX
s390_runtime_instr
S390_RUNTIME_INSTR(2) System Calls Manual S390_RUNTIME_INSTR(2) NAME
s390_runtime_instr - enable/disable s390 CPU run-time instrumentation SYNOPSIS
#include <asm/runtime_instr.h> int s390_runtime_instr(int command, int signum); DESCRIPTION
The s390_runtime_instr() system call starts or stops CPU run-time instrumentation for the calling thread. The command argument controls whether run-time instrumentation is started (S390_RUNTIME_INSTR_START, 1) or stopped (S390_RUN- TIME_INSTR_STOP, 2) for the calling thread. The signum argument specifies the number of a real-time signal. The real-time signal is sent to the thread if the run-time instrumentation buffer is full or if the run-time-instrumentation-halted interrupt occurred. RETURN VALUE
On success, s390_runtime_instr() returns 0 and enables the thread for run-time instrumentation by assigning the thread a default run-time instrumentation control block. The caller can then read and modify the control block and start the run-time instrumentation. On error, -1 is returned and errno is set to one of the error codes listed below. ERRORS
EINVAL The value specified in command is not a valid command or the value specified in signum is not a real-time signal number. ENOMEM Allocating memory for the run-time instrumentation control block failed. EOPNOTSUPP The run-time instrumentation facility is not available. VERSIONS
This system call is available since Linux 3.7. CONFORMING TO
This Linux-specific system call is available only on the s390 architecture. The run-time instrumentation facility is available beginning with System z EC12. NOTES
Glibc does not provide a wrapper for this system call, use syscall(2) to call it. SEE ALSO
syscall(2), signal(7) COLOPHON
This page is part of release 4.15 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/. Linux Programmer's Manual 2017-09-15 S390_RUNTIME_INSTR(2)