centos man page for trace_irq_handler_entry

Query: trace_irq_handler_entry

OS: centos

Section: 9

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

TRACE_IRQ_HANDLER_EN(9) 						IRQ						   TRACE_IRQ_HANDLER_EN(9)

NAME
trace_irq_handler_entry - called immediately before the irq action handler
SYNOPSIS
void trace_irq_handler_entry(int irq, struct irqaction * action);
ARGUMENTS
irq irq number action pointer to struct irqaction
DESCRIPTION
The struct irqaction pointed to by action contains various information about the handler, including the device name, action->name, and the device id, action->dev_id. When used in conjunction with the irq_handler_exit tracepoint, we can figure out irq handler latencies.
AUTHORS
Jason Baron <jbaron@redhat.com> Author. William Cohen <wcohen@redhat.com> Author.
COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 TRACE_IRQ_HANDLER_EN(9)
Related Man Pages
request_threaded_irq(9) - suse
struct_i2c_board_info(9) - centos
bus_describe_intr(9) - debian
struct_uio_info(9) - suse
bus_describe_intr(9) - freebsd
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