Arnaldo Carvalho de Melo 8d5da2649d perf augmented_raw_syscalls: Support copying two string syscall args ... Starting with the renameat and renameat2 syscall, that both receive as second and fourth parameters a pathname: # perf trace -e rename* mv one ANOTHER LLVM: dumping /home/acme/git/perf/tools/perf/examples/bpf/augmented_raw_syscalls.o mv: cannot stat 'one': No such file or directory renameat2(AT_FDCWD, "one", AT_FDCWD, "ANOTHER", RENAME_NOREPLACE) = -1 ENOENT (No such file or directory) # Since the per CPU scratch buffer map has space for two maximum sized pathnames, the verifier is satisfied that there will be no overrun. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Luis Cláudio Gonçalves <lclaudio@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: https://lkml.kernel.org/n/tip-x2uboyg5kx2wqeru288209b6@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>		2019-07-29 18:34:41 -03:00
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5sec.c	perf bpf: Add probe() helper to reduce kprobes boilerplate	2018-05-15 14:31:24 -03:00
augmented_raw_syscalls.c	perf augmented_raw_syscalls: Support copying two string syscall args	2019-07-29 18:34:41 -03:00
augmented_syscalls.c	perf augmented_syscalls: Convert to bpf_map()	2019-01-25 15:12:11 +01:00
empty.c	perf bpf: Add license(NAME) helper	2018-05-15 14:31:24 -03:00
etcsnoop.c	perf bpf examples: Convert etcsnoop to use bpf_map()	2019-01-25 15:12:11 +01:00
hello.c	perf bpf: Add bpf/stdio.h wrapper to bpf_perf_event_output function	2018-08-08 15:55:55 -03:00
sys_enter_openat.c	perf bpf: Add 'syscall_enter' probe helper for syscall enter tracepoints	2018-08-08 15:55:44 -03:00