event_trigger_print(9)

💅 event_trigger_print(9) — the Kernel API Manual, bestie edition ✨

okay so this is event_trigger_print(9) from the Kernel API Manual, and honestly? it's a little gem 🫶

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🌸 NAME

event_trigger_print — the generic event_command @print implementation, no cap 💖

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✨ SYNOPSIS

int event_trigger_print (const char *name , struct seq_file *m , void
*data , char *filter_str );

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🎀 ARGUMENTS

• name — the name of the event trigger 🏷️
• m — the seq_file we're printing into, that's the vibe check target 📄
• data — trigger-specific data, i.e. the trigger's own little stash of stuff 🍓
• filter_str — the filter_str to print, if present (if it's not, don't print it, obviously 💅)

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🦋 DESCRIPTION

So this is the common implementation for event triggers to print themselves 💖 it's literally the shared glow-up routine — every event trigger uses it so nobody has to hand-write their own.

Usually it's wrapped by a function that just sets the name of the trigger command and then invokes this ✨ like, the wrapper does the tiny bit of setup, and this function handles the actual printing. team work, main character energy, periodt 👑

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🔥 RETURN

0 on success, errno otherwise 😭 (yes, the classic)

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🌈 SEE ALSO

Kernel file ./kernel/trace/trace_events_trigger.c 👀

event_triggers_call(9), event_triggers_post_call(9), event_trigger_count(9), event_trigger_init(9), event_trigger_free(9), clear_event_triggers(9), update_cond_flag(9), register_trigger(9), unregister_trigger(9), event_trigger_check_remove(9), event_trigger_empty_param(9), event_trigger_separate_filter(9), trigger_data_alloc(9), event_trigger_parse_num(9), event_trigger_set_filter(9), event_trigger_reset_filter(9), event_trigger_register(9), event_trigger_unregister(9), event_trigger_parse(9), set_trigger_filter(9), find_named_trigger(9), is_named_trigger(9), save_named_trigger(9), del_named_trigger(9), pause_named_trigger(9), unpause_named_trigger(9), set_named_trigger_data(9) 🧚‍♀️💜

fr fr, that's a lot of siblings — one big happy trigger family 👑

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okay that's the whole page bestie, ily 🫶 this one lives in ./kernel/trace, dated October 2026, and it's event_trigger_print(9) all the way down 💖✨🎀