From 2c92ca849fcc6ee7d0c358e9959abc9f58661aea Mon Sep 17 00:00:00 2001 From: "Steven Rostedt (Google)" Date: Thu, 16 May 2024 13:34:54 -0400 Subject: tracing/treewide: Remove second parameter of __assign_str() MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit With the rework of how the __string() handles dynamic strings where it saves off the source string in field in the helper structure[1], the assignment of that value to the trace event field is stored in the helper value and does not need to be passed in again. This means that with: __string(field, mystring) Which use to be assigned with __assign_str(field, mystring), no longer needs the second parameter and it is unused. With this, __assign_str() will now only get a single parameter. There's over 700 users of __assign_str() and because coccinelle does not handle the TRACE_EVENT() macro I ended up using the following sed script: git grep -l __assign_str | while read a ; do sed -e 's/\(__assign_str([^,]*[^ ,]\) *,[^;]*/\1)/' $a > /tmp/test-file; mv /tmp/test-file $a; done I then searched for __assign_str() that did not end with ';' as those were multi line assignments that the sed script above would fail to catch. Note, the same updates will need to be done for: __assign_str_len() __assign_rel_str() __assign_rel_str_len() I tested this with both an allmodconfig and an allyesconfig (build only for both). [1] https://lore.kernel.org/linux-trace-kernel/20240222211442.634192653@goodmis.org/ Link: https://lore.kernel.org/linux-trace-kernel/20240516133454.681ba6a0@rorschach.local.home Cc: Masami Hiramatsu Cc: Mathieu Desnoyers Cc: Linus Torvalds Cc: Julia Lawall Signed-off-by: Steven Rostedt (Google) Acked-by: Jani Nikula Acked-by: Christian König for the amdgpu parts. Acked-by: Thomas Hellström #for Acked-by: Rafael J. Wysocki # for thermal Acked-by: Takashi Iwai Acked-by: Darrick J. Wong # xfs Tested-by: Guenter Roeck --- drivers/interconnect/trace.h | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) (limited to 'drivers/interconnect') diff --git a/drivers/interconnect/trace.h b/drivers/interconnect/trace.h index 3d668ff566bf..206373546528 100644 --- a/drivers/interconnect/trace.h +++ b/drivers/interconnect/trace.h @@ -32,9 +32,9 @@ TRACE_EVENT(icc_set_bw, ), TP_fast_assign( - __assign_str(path_name, p->name); - __assign_str(dev, dev_name(p->reqs[i].dev)); - __assign_str(node_name, n->name); + __assign_str(path_name); + __assign_str(dev); + __assign_str(node_name); __entry->avg_bw = avg_bw; __entry->peak_bw = peak_bw; __entry->node_avg_bw = n->avg_bw; @@ -64,8 +64,8 @@ TRACE_EVENT(icc_set_bw_end, ), TP_fast_assign( - __assign_str(path_name, p->name); - __assign_str(dev, dev_name(p->reqs[0].dev)); + __assign_str(path_name); + __assign_str(dev); __entry->ret = ret; ), -- cgit v1.2.3