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Date: Wed, 2 Dec 2009 07:06:57 +0100 From: Frederic Weisbecker <fweisbec@...il.com> To: Wang Liming <liming.wang@...driver.com> Cc: Masami Hiramatsu <mhiramat@...hat.com>, mingo@...hat.com, peterz@...radead.org, linux-kernel@...r.kernel.org, acme@...hat.com, rostedt@...dmis.org, jbaron@...hat.com, tglx@...utronix.de, fche@...hat.com, jkenisto@...ibm.com, hch@...radead.org, ananth@...ibm.com, srikar@...ux.vnet.ibm.com, prasad@...ux.vnet.ibm.com Subject: Re: [tip:perf/core] perf probe: Add --list option for listing current probe events On Wed, Dec 02, 2009 at 01:35:39PM +0800, Wang Liming wrote: > Yes, my glibc is old so that "perf" can't be built. I'm using ubuntu 8.04. > > Thanks a lot. What is your glibc version? %m appears to be supported since 2.7 But if possible we would like perf to be buildable on most boxes. May be should we use %a instead there. odd gcc versions will whine because of the confusion with the %a for floating point things but that can be worked around with (float *) casts (sigh). Well, since we also have strict aliasing checks, we'll actually need: scanf("%a", (float *)(void *)str); We do that in util/trace-event-parse.c -- 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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