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TRACE_SOFTIRQ_RAISE(9) IRQ TRACE_SOFTIRQ_RAISE(9)

NAME

trace_softirq_raise - called immediately when a softirq is raised

SYNOPSIS

void trace_softirq_raise(struct softirq_action * h, struct softirq_action * vec);

ARGUMENTS

h

pointer to struct softirq_action

vec

pointer to first struct softirq_action in softirq_vec array

DESCRIPTION

The h parameter contains a pointer to the softirq vector number which is raised. vec is NULL and it means h includes vector number not softirq_action. When used in combination with the softirq_entry tracepoint we can determine the softirq raise latency.

AUTHOR

Jason Baron <jbaron@redhat.com>

Author.

COPYRIGHT

April 2023 Kernel Hackers Manual 2.6.