'\" t .\" Title: trace_softirq_entry .\" Author: .\" Generator: DocBook XSL Stylesheets v1.78.1 .\" Date: May 2018 .\" Manual: IRQ .\" Source: Kernel Hackers Manual 3.16.56 .\" Language: English .\" .TH "TRACE_SOFTIRQ_ENTRY" "9" "May 2018" "Kernel Hackers Manual 3\&.16\&" "IRQ" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NAME" trace_softirq_entry \- called immediately before the softirq handler .SH "SYNOPSIS" .HP \w'void\ trace_softirq_entry('u .BI "void trace_softirq_entry(unsigned\ int\ " "vec_nr" ");" .SH "ARGUMENTS" .PP \fIvec_nr\fR .RS 4 softirq vector number .RE .SH "DESCRIPTION" .PP When used in combination with the softirq_exit tracepoint we can determine the softirq handler runtine\&. .SH "AUTHORS" .PP \fBJason Baron\fR <\&jbaron@redhat.com\&> .RS 4 Author. .RE .PP \fBWilliam Cohen\fR <\&wcohen@redhat.com\&> .RS 4 Author. .RE .SH "COPYRIGHT" .br