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The file debugfs/tracing/printk_formats maps the addresses to the formats that are used by trace_bprintk() so that userspace tools can read the buffer and be able to decode trace_bprintk events to get the format saved when reading the ring buffer directly. This is because trace_bprintk() does not store the format into the buffer, but just the address of the format, which is hidden in the kernel memory. But currently it only exports trace_bprintk()s from the kernel core and not for modules. The modules need their formats exported as well. Signed-off-by: Steven Rostedt <rostedt@goodmis.org> |
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.. | ||
blktrace.c | ||
ftrace.c | ||
Kconfig | ||
Makefile | ||
power-traces.c | ||
ring_buffer.c | ||
ring_buffer_benchmark.c | ||
trace.c | ||
trace.h | ||
trace_branch.c | ||
trace_clock.c | ||
trace_entries.h | ||
trace_event_perf.c | ||
trace_events.c | ||
trace_events_filter.c | ||
trace_export.c | ||
trace_functions.c | ||
trace_functions_graph.c | ||
trace_irqsoff.c | ||
trace_kdb.c | ||
trace_kprobe.c | ||
trace_mmiotrace.c | ||
trace_nop.c | ||
trace_output.c | ||
trace_output.h | ||
trace_printk.c | ||
trace_sched_switch.c | ||
trace_sched_wakeup.c | ||
trace_selftest.c | ||
trace_selftest_dynamic.c | ||
trace_stack.c | ||
trace_stat.c | ||
trace_stat.h | ||
trace_syscalls.c | ||
trace_workqueue.c |