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authorSteven Rostedt (VMware) <rostedt@goodmis.org>2024-06-03 15:07:11 -0400
committerSteven Rostedt (Google) <rostedt@goodmis.org>2024-06-04 10:36:22 -0400
commit37238abe3cb47b8daaa8706c9949f67b2a705cf1 (patch)
treef8d8a1985cd0ba19fdd2ec2f593bee65e9ca5545 /kernel/trace/trace.h
parent2fbb549983763b2cc32a1ab840fe59cc1822e06d (diff)
downloadlwn-37238abe3cb47b8daaa8706c9949f67b2a705cf1.tar.gz
lwn-37238abe3cb47b8daaa8706c9949f67b2a705cf1.zip
ftrace/function_graph: Pass fgraph_ops to function graph callbacks
Pass the fgraph_ops structure to the function graph callbacks. This will allow callbacks to add a descriptor to a fgraph_ops private field that wil be added in the future and use it for the callbacks. This will be useful when more than one callback can be registered to the function graph tracer. Co-developed with Masami Hiramatsu: Link: https://lore.kernel.org/linux-trace-kernel/171509098588.162236.4787930115997357578.stgit@devnote2 Link: https://lore.kernel.org/linux-trace-kernel/20240603190822.035147698@goodmis.org Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Alexei Starovoitov <alexei.starovoitov@gmail.com> Cc: Florent Revest <revest@chromium.org> Cc: Martin KaFai Lau <martin.lau@linux.dev> Cc: bpf <bpf@vger.kernel.org> Cc: Sven Schnelle <svens@linux.ibm.com> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: Alan Maguire <alan.maguire@oracle.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Guo Ren <guoren@kernel.org> Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace.h')
-rw-r--r--kernel/trace/trace.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 749a182dab48..2575ec243350 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -679,8 +679,8 @@ void trace_latency_header(struct seq_file *m);
void trace_default_header(struct seq_file *m);
void print_trace_header(struct seq_file *m, struct trace_iterator *iter);
-void trace_graph_return(struct ftrace_graph_ret *trace);
-int trace_graph_entry(struct ftrace_graph_ent *trace);
+void trace_graph_return(struct ftrace_graph_ret *trace, struct fgraph_ops *gops);
+int trace_graph_entry(struct ftrace_graph_ent *trace, struct fgraph_ops *gops);
void set_graph_array(struct trace_array *tr);
void tracing_start_cmdline_record(void);