From: Eric Piel <Eric.Piel@Bull.Net>
To: linux-ia64@vger.kernel.org
Subject: Re: [perfmon] Re: [Linux-ia64] [BUG] perfmon doesn't send SIGPROF in
Date: Fri, 18 Apr 2003 12:00:19 +0000 [thread overview]
Message-ID: <marc-linux-ia64-105590723705561@msgid-missing> (raw)
Stephane Eranian wrote:
>
> The attached patch against 2.5.67 corrects the problem. Note that this
> patch also includes other updates.
>
> Let me know how it goes.
Very good, it worked!:
# ./realfeel4
897.528 MHz
secondsPerTick=1.11417e-09
ticksPerSecond‰7528470.872679
sample_period = 6282699
smallest = 4511, largest = 8271, nsamples = 1426, sigma = 6869234,
sigmasqr = 33252330632
Mean 4817.13, stddev 337.37
Thank you!
Also, after a quick glance at the patch I noticed this update:
-/* pmc8 */ { PFM_REG_CONFIG , 0, 0xffffffff3fffffffUL,
0xffffffff9fffffffUL, NULL, pfm_mck_pmc_check, {0UL,0UL, 0UL, 0UL},
{0UL,0UL, 0UL, 0UL}},
-/* pmc9 */ { PFM_REG_CONFIG , 0, 0xffffffff3ffffffcUL,
0xffffffff9fffffffUL, NULL, pfm_mck_pmc_check, {0UL,0UL, 0UL, 0UL},
{0UL,0UL, 0UL, 0UL}},
+/* pmc8 */ { PFM_REG_CONFIG , 0, 0xffffffff3fffffffUL,
0xffffffff3fffffffUL, NULL, pfm_mck_pmc_check, {0UL,0UL, 0UL, 0UL},
{0UL,0UL, 0UL, 0UL}},
+/* pmc9 */ { PFM_REG_CONFIG , 0, 0xffffffff3ffffffcUL,
0xffffffff3fffffffUL, NULL, pfm_mck_pmc_check, {0UL,0UL, 0UL, 0UL},
{0UL,0UL, 0UL, 0UL}},
Could you describe shortly what this is suppose to fix? Recently I had
some troubles with some PMU counters on Itanium2 (hard to trigger) and I
wonder if this could be solved by that patch...
Eric
reply other threads:[~2003-04-18 12:00 UTC|newest]
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