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Date: Tue, 17 Nov 2015 09:20:27 +0900 From: Namhyung Kim <namhyung@...nel.org> To: Steven Rostedt <rostedt@...dmis.org> CC: Arnaldo Carvalho de Melo <acme@...nel.org>, LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...nel.org> Subject: Re: [PATCH v2] tools lib traceevents: Fix output of %llu for 64 bit values read on 32 bit machines On Mon, Nov 16, 2015 at 05:25:16PM -0500, Steven Rostedt wrote: > > When a long value is read on 32 bit machines for 64 bit output, the parsing > needs to change "%lu" into "%llu", as the value is read natively. > > Unfortunately, if "%llu" is already there, the code will add another "l" to > it and fail to parse it properly. > > Cc: stable@...r.kernel.org > Signed-off-by: Steven Rostedt <rostedt@...dmis.org> Acked-by: Namhyung Kim <namhyung@...nel.org> What about the opposite case? Maybe we need something like this? Thanks, Namhyung diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c index 4d885934b919..afc32fb17d1e 100644 --- a/tools/lib/traceevent/event-parse.c +++ b/tools/lib/traceevent/event-parse.c @@ -4906,6 +4906,17 @@ static void pretty_print(struct trace_seq *s, void *data, int size, struct event memmove(p+1, p, strlen(p)+1); else if (strcmp(format, "%p") == 0) strcpy(format, "0x%llx"); + } else if (pevent->long_size == 4 && ls == 1 && + sizeof(long) != 4) { + char *p; + + ls = 0; + /* make %l into % */ + p = strchr(format, 'l'); + if (p) + memmove(p, p+1, strlen(p)); + else if (strcmp(format, "%p") == 0) + strcpy(foramt, "0x%x"); } switch (ls) { case -2: -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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