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shreyankamartya229_gmail.com (shreyank amartya)
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User Since
Aug 29 2018, 5:44 AM (55 w, 4 d)

Recent Activity

Mon, Sep 16

shreyankamartya229_gmail.com added a reviewer for D21553: hwpmc : fix perf counter MSR access: mjg.
Mon, Sep 16, 6:02 AM

Thu, Sep 12

shreyankamartya229_gmail.com updated the diff for D21553: hwpmc : fix perf counter MSR access.

Adding a fix for NMI latency.
Similar fix done in linux: https://lore.kernel.org/patchwork/patch/1062166/

Thu, Sep 12, 1:52 PM
shreyankamartya229_gmail.com updated the diff for D21553: hwpmc : fix perf counter MSR access.

PMCs interrupting at the same time are collapsed into one interrupt. With the current interrupt handler, the majority of samples are missing for one of the event when two such events are used (unhalted_cpu_cycles and retired_intructions). Out of the two, the one which is allocated first reports all the samples while the other one reports negligible numbers.

Thu, Sep 12, 6:04 AM

Wed, Sep 11

shreyankamartya229_gmail.com updated the diff for D21553: hwpmc : fix perf counter MSR access.

amd_intr() should only check core pmcs for interrupts since other types of pmcs (L3,DF) cannot generate interrupts.

Wed, Sep 11, 9:12 AM

Fri, Sep 6

shreyankamartya229_gmail.com added a reviewer for D21553: hwpmc : fix perf counter MSR access: markj.
Fri, Sep 6, 4:56 PM
shreyankamartya229_gmail.com created D21553: hwpmc : fix perf counter MSR access.
Fri, Sep 6, 4:54 PM

Wed, Sep 4

shreyankamartya229_gmail.com created D21516: hwpmc : fix reload count when pmc has overflowed.
Wed, Sep 4, 1:13 PM

Jul 18 2019

shreyankamartya229_gmail.com added a comment to D18832: NTB Perf: Tool to measure performance of NTB hw drivers.

@emaste @mav : Reminder to review this change, please.

Jul 18 2019, 6:19 AM

Jul 6 2019

shreyankamartya229_gmail.com added a comment to D18832: NTB Perf: Tool to measure performance of NTB hw drivers.

@emaste : Reminder to review/find a reviewer for this change, please.

Jul 6 2019, 3:31 PM

Jun 26 2019

shreyankamartya229_gmail.com updated subscribers of D20697: NTB Perf.
Jun 26 2019, 6:41 AM

Jun 20 2019

shreyankamartya229_gmail.com added inline comments to D20697: NTB Perf.
Jun 20 2019, 6:25 AM
shreyankamartya229_gmail.com added inline comments to D20697: NTB Perf.
Jun 20 2019, 5:43 AM

Jun 19 2019

shreyankamartya229_gmail.com added a comment to D18832: NTB Perf: Tool to measure performance of NTB hw drivers.

@emaste : Here's a link to the linux ntb_perf tool which I've used for porting: ntb_perf
Did you mean a delta between linux upstream and my ported version? If yes, find it here D20697
If this is not what you requested, please let me know.

Jun 19 2019, 11:34 AM
shreyankamartya229_gmail.com created D20697: NTB Perf.
Jun 19 2019, 11:33 AM

May 24 2019

shreyankamartya229_gmail.com added a comment to D18832: NTB Perf: Tool to measure performance of NTB hw drivers.

@emaste: Reminder to find a reviewer for this change please. Thanks.

May 24 2019, 8:01 PM

Apr 25 2019

shreyankamartya229_gmail.com added a comment to D18832: NTB Perf: Tool to measure performance of NTB hw drivers.

@mav @cem @imp : Can anyone please review this change. Thanks.

Apr 25 2019, 12:56 PM

Apr 10 2019

shreyankamartya229_gmail.com added a comment to D18832: NTB Perf: Tool to measure performance of NTB hw drivers.

@mav, @cem, @imp : Please review this change and provide feedback. Thanks.

Apr 10 2019, 9:21 AM

Jan 24 2019

shreyankamartya229_gmail.com updated the diff for D18832: NTB Perf: Tool to measure performance of NTB hw drivers.

Added write combining for memory window for improved performance
Remove submit_test_callout with an alternate method to check test completion
Add sysctl node under debug tree for NTB Perf

Jan 24 2019, 8:56 AM

Jan 13 2019

shreyankamartya229_gmail.com created D18832: NTB Perf: Tool to measure performance of NTB hw drivers.
Jan 13 2019, 10:19 AM

Dec 18 2018

shreyankamartya229_gmail.com added a comment to D17865: Increase SDMA default boundary for SDHCI.

@marius : Don't mean to badger, is there an alternate acceptable way I could go about increasing sdhci performance without increasing the DMA_BLOCK_SIZE. Or if you're planning to add ADMA support, can you maybe let us know when it might become available?

Dec 18 2018, 1:07 PM

Nov 17 2018

shreyankamartya229_gmail.com added a comment to D17644: Add support for AMD eMMC controller HS400 mode.

@marius : I know that you must be really busy with the upcoming release. Please review this if possible, I've made the necessary changes that you requested in the last review.

Nov 17 2018, 6:29 AM

Nov 13 2018

shreyankamartya229_gmail.com added a comment to D17865: Increase SDMA default boundary for SDHCI.

@marius : Are you working on adding ADMA support for sdhci(4) or planning to do so in the near future? If not, I might make an attempt to add ADMA2 support. I was not aware of the MAXPHYS limitation, increasing MAXPHYS to 1MB, I was able to get a further increase in throughput values. I got this idea from this thread (https://lists.freebsd.org/pipermail/freebsd-arch/2010-March/010022.html), where this seems to be a viable option for amd64 platforms.

Nov 13 2018, 10:20 AM

Nov 6 2018

shreyankamartya229_gmail.com created D17865: Increase SDMA default boundary for SDHCI.
Nov 6 2018, 11:20 AM

Oct 30 2018

shreyankamartya229_gmail.com added a comment to D17644: Add support for AMD eMMC controller HS400 mode.

@marius : Hi, Can you please review the latest changes.

Oct 30 2018, 1:00 PM

Oct 24 2018

shreyankamartya229_gmail.com added inline comments to D17644: Add support for AMD eMMC controller HS400 mode.
Oct 24 2018, 12:23 PM
shreyankamartya229_gmail.com updated the diff for D17644: Add support for AMD eMMC controller HS400 mode.

Made requested changes as per comments.

Oct 24 2018, 12:20 PM

Oct 22 2018

shreyankamartya229_gmail.com created D17644: Add support for AMD eMMC controller HS400 mode.
Oct 22 2018, 10:24 AM