---
name: "trace_softirq_entry"
section: "9"
platform: "linux"
package: "linux-manual-4.9"
version: "4.9.228-1"
release: "Debian 9 (Stretch)"
platforms: ["linux"]
url: "https://new.carta.tech/trace_softirq_entry"
---

# trace\_softirq\_entry(9)

called immediately before the softirq handler

## NAME

trace\_softirq\_entry - called immediately before the softirq handler

## SYNOPSIS

**void trace\_softirq\_entry(unsigned int** *vec\_nr***);**

## ARGUMENTS

*vec\_nr*

softirq vector number

## DESCRIPTION

When used in combination with the softirq\_exit tracepoint we can determine the softirq handler routine.

## AUTHORS

**Jason Baron** \<jbaron@redhat.com\>

Author.

**William Cohen** \<wcohen@redhat.com\>

Author.

## COPYRIGHT