Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\trace\trace_events_hist.c Create Date:2022-07-28 12:29:05
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:action_trace

Proto:static void action_trace(struct hist_trigger_data *hist_data, struct tracing_map_elt *elt, void *rec, struct ring_buffer_event *rbe, void *key, struct action_data *data, u64 *var_ref_vals)

Type:void

Parameter:

TypeParameterName
struct hist_trigger_data *hist_data
struct tracing_map_elt *elt
void *rec
struct ring_buffer_event *rbe
void *key
struct action_data *data
u64 *var_ref_vals
1282  event = synth_event
1284  trace_synth(event, var_ref_vals, * When a histogram trigger is hit, the values of any * references to variables, including variables being passed * as parameters to synthetic events, are collected into a * var_ref_vals array. This var_ref_idx array is an array of * indices into the var_re)