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From: Kent Overstreet <kent.overstreet@linux.dev>
To: "Suren Baghdasaryan" <surenb@google.com>,
	akpm@linux-foundation.org, mhocko@suse.com, vbabka@suse.cz,
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	"Andy Shevchenko" <andy@kernel.org>,
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	"Michael S. Tsirkin" <mst@redhat.com>,
	"Jason Wang" <jasowang@redhat.com>,
	"Noralf Tr�nnes" <noralf@tronnes.org>
Subject: Re: [PATCH 01/40] lib/string_helpers: Drop space in string_get_size's output
Date: Mon, 1 May 2023 15:35:43 -0400	[thread overview]
Message-ID: <ZFAUj+Q+hP7cWs4w@moria.home.lan> (raw)
In-Reply-To: <ouuidemyregstrijempvhv357ggp4tgnv6cijhasnungsovokm@jkgvyuyw2fti>

On Mon, May 01, 2023 at 11:13:15AM -0700, Davidlohr Bueso wrote:
> On Mon, 01 May 2023, Suren Baghdasaryan wrote:
> 
> > From: Kent Overstreet <kent.overstreet@linux.dev>
> > 
> > Previously, string_get_size() outputted a space between the number and
> > the units, i.e.
> >  9.88 MiB
> > 
> > This changes it to
> >  9.88MiB
> > 
> > which allows it to be parsed correctly by the 'sort -h' command.
> 
> Wouldn't this break users that already parse it the current way?

It's not impossible - but it's not used in very many places and we
wouldn't be printing in human-readable units if it was meant to be
parsed - it's mainly used for debug output currently.

If someone raises a specific objection we'll do something different,
otherwise I think standardizing on what userspace tooling already parses
is a good idea.

  reply	other threads:[~2023-05-01 19:38 UTC|newest]

Thread overview: 160+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-01 16:54 [PATCH 00/40] Memory allocation profiling Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 01/40] lib/string_helpers: Drop space in string_get_size's output Suren Baghdasaryan
2023-05-01 18:13   ` Davidlohr Bueso
2023-05-01 19:35     ` Kent Overstreet [this message]
2023-05-01 19:57       ` Andy Shevchenko
2023-05-01 21:16         ` Kent Overstreet
2023-05-01 21:33         ` Liam R. Howlett
2023-05-02  0:11           ` Kent Overstreet
2023-05-02  0:53         ` Kent Overstreet
2023-05-02  2:22       ` James Bottomley
2023-05-02  3:17         ` Kent Overstreet
2023-05-02  5:33           ` Andy Shevchenko
2023-05-02  6:21             ` Kent Overstreet
2023-05-02 15:19               ` Andy Shevchenko
2023-05-03  2:07                 ` Kent Overstreet
2023-05-03  6:30                   ` Andy Shevchenko
2023-05-03  7:12                     ` Kent Overstreet
2023-05-03  9:12                       ` Andy Shevchenko
2023-05-03  9:16                         ` Kent Overstreet
2023-05-02 11:42           ` James Bottomley
2023-05-02 22:50             ` Dave Chinner
2023-05-03  9:28               ` Vlastimil Babka
2023-05-03  9:44                 ` Andy Shevchenko
2023-05-03 12:15               ` James Bottomley
2023-05-02  7:55   ` Jani Nikula
2023-05-01 16:54 ` [PATCH 02/40] scripts/kallysms: Always include __start and __stop symbols Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 03/40] fs: Convert alloc_inode_sb() to a macro Suren Baghdasaryan
2023-05-02 12:35   ` Petr Tesařík
2023-05-02 19:57     ` Kent Overstreet
2023-05-02 20:20       ` Petr Tesařík
2023-05-01 16:54 ` [PATCH 04/40] nodemask: Split out include/linux/nodemask_types.h Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 05/40] prandom: Remove unused include Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 06/40] lib/string.c: strsep_no_empty() Suren Baghdasaryan
2023-05-02 12:37   ` Petr Tesařík
2023-05-01 16:54 ` [PATCH 07/40] Lazy percpu counters Suren Baghdasaryan
2023-05-01 19:17   ` Randy Dunlap
2023-05-01 16:54 ` [PATCH 08/40] mm: introduce slabobj_ext to support slab object extensions Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 09/40] mm: introduce __GFP_NO_OBJ_EXT flag to selectively prevent slabobj_ext creation Suren Baghdasaryan
2023-05-02 12:50   ` Petr Tesařík
2023-05-02 18:33     ` Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 10/40] mm/slab: introduce SLAB_NO_OBJ_EXT to avoid obj_ext creation Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 11/40] mm: prevent slabobj_ext allocations for slabobj_ext and kmem_cache objects Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 12/40] slab: objext: introduce objext_flags as extension to page_memcg_data_flags Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 13/40] lib: code tagging framework Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 14/40] lib: code tagging module support Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 15/40] lib: prevent module unloading if memory is not freed Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 16/40] lib: code tagging query helper functions Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 17/40] lib: add allocation tagging support for memory allocation profiling Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 18/40] lib: introduce support for page allocation tagging Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 19/40] change alloc_pages name in dma_map_ops to avoid name conflicts Suren Baghdasaryan
2023-05-02 15:50   ` Petr Tesařík
2023-05-02 18:38     ` Suren Baghdasaryan
2023-05-02 20:09       ` Petr Tesařík
2023-05-02 20:18         ` Kent Overstreet
2023-05-02 20:24         ` Suren Baghdasaryan
2023-05-02 20:39           ` Petr Tesařík
2023-05-02 20:41             ` Suren Baghdasaryan
2023-05-03 16:25   ` Steven Rostedt
2023-05-03 18:03     ` Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 20/40] mm: enable page allocation tagging Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 21/40] mm/page_ext: enable early_page_ext when CONFIG_MEM_ALLOC_PROFILING_DEBUG=y Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 22/40] mm: create new codetag references during page splitting Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 23/40] lib: add codetag reference into slabobj_ext Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 24/40] mm/slab: add allocation accounting into slab allocation and free paths Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 25/40] mm/slab: enable slab allocation tagging for kmalloc and friends Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 26/40] mm/slub: Mark slab_free_freelist_hook() __always_inline Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 27/40] mempool: Hook up to memory allocation profiling Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 28/40] timekeeping: Fix a circular include dependency Suren Baghdasaryan
2023-05-02 15:50   ` Thomas Gleixner
2023-05-01 16:54 ` [PATCH 29/40] mm: percpu: Introduce pcpuobj_ext Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 30/40] mm: percpu: Add codetag reference into pcpuobj_ext Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 31/40] mm: percpu: enable per-cpu allocation tagging Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 32/40] arm64: Fix circular header dependency Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 33/40] move stack capture functionality into a separate function for reuse Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 34/40] lib: code tagging context capture support Suren Baghdasaryan
2023-05-03  7:35   ` Michal Hocko
2023-05-03 15:18     ` Suren Baghdasaryan
2023-05-03 15:26       ` Dave Hansen
2023-05-03 19:45         ` Suren Baghdasaryan
2023-05-04  8:04       ` Michal Hocko
2023-05-04 14:31         ` Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 35/40] lib: implement context capture support for tagged allocations Suren Baghdasaryan
2023-05-03  7:39   ` Michal Hocko
2023-05-03 15:24     ` Suren Baghdasaryan
2023-05-04  8:09       ` Michal Hocko
2023-05-04 16:22         ` Suren Baghdasaryan
2023-05-05  8:40           ` Michal Hocko
2023-05-05 18:10             ` Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 36/40] lib: add memory allocations report in show_mem() Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 37/40] codetag: debug: skip objext checking when it's for objext itself Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 38/40] codetag: debug: mark codetags for reserved pages as empty Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 39/40] codetag: debug: introduce OBJEXTS_ALLOC_FAIL to mark failed slab_ext allocations Suren Baghdasaryan
2023-05-01 16:54 ` [PATCH 40/40] MAINTAINERS: Add entries for code tagging and memory allocation profiling Suren Baghdasaryan
2023-05-01 17:47 ` [PATCH 00/40] Memory " Roman Gushchin
2023-05-01 18:08   ` Suren Baghdasaryan
2023-05-01 18:14     ` Roman Gushchin
2023-05-01 19:37       ` Kent Overstreet
2023-05-01 21:18         ` Roman Gushchin
2023-05-03  7:25 ` Michal Hocko
2023-05-03  7:34   ` Kent Overstreet
2023-05-03  7:51     ` Michal Hocko
2023-05-03  8:05       ` Kent Overstreet
2023-05-03 13:21         ` Steven Rostedt
2023-05-03 16:35         ` Tejun Heo
2023-05-03 17:42           ` Suren Baghdasaryan
2023-05-03 18:06             ` Tejun Heo
2023-05-03 17:44           ` Kent Overstreet
2023-05-03 17:51           ` Kent Overstreet
2023-05-03 18:24             ` Tejun Heo
2023-05-03 18:07           ` Johannes Weiner
2023-05-03 18:19             ` Tejun Heo
2023-05-03 18:40               ` Tejun Heo
2023-05-03 18:56                 ` Kent Overstreet
2023-05-03 18:58                   ` Tejun Heo
2023-05-03 19:09                     ` Tejun Heo
2023-05-03 19:41                       ` Suren Baghdasaryan
2023-05-03 19:48                         ` Tejun Heo
2023-05-03 20:00                           ` Tejun Heo
2023-05-03 20:14                             ` Suren Baghdasaryan
2023-05-04  2:25                               ` Tejun Heo
2023-05-04  3:33                                 ` Kent Overstreet
2023-05-04  3:33                                 ` Suren Baghdasaryan
2023-05-04  8:00                               ` Petr Tesařík
2023-05-03 20:08                           ` Suren Baghdasaryan
2023-05-03 20:11                             ` Johannes Weiner
2023-05-04  2:16                             ` Tejun Heo
2023-05-03 20:04           ` Andrey Ryabinin
2023-05-03  9:50       ` Petr Tesařík
2023-05-03  9:54         ` Kent Overstreet
2023-05-03 10:24           ` Petr Tesařík
2023-05-03  9:57         ` Kent Overstreet
2023-05-03 10:26           ` Petr Tesařík
2023-05-03 15:30             ` Kent Overstreet
2023-05-03 12:33           ` James Bottomley
2023-05-03 14:31             ` Suren Baghdasaryan
2023-05-03 15:28             ` Kent Overstreet
2023-05-03 15:37               ` Lorenzo Stoakes
2023-05-03 16:03                 ` Kent Overstreet
2023-05-03 15:49               ` James Bottomley
2023-05-03 15:09   ` Suren Baghdasaryan
2023-05-03 16:28     ` Steven Rostedt
2023-05-03 17:40       ` Suren Baghdasaryan
2023-05-03 18:03         ` Steven Rostedt
2023-05-03 18:07           ` Suren Baghdasaryan
2023-05-03 18:12           ` Kent Overstreet
2023-05-04  9:07     ` Michal Hocko
2023-05-04 15:08       ` Suren Baghdasaryan
2023-05-07 10:27         ` Michal Hocko
2023-05-07 17:01           ` Kent Overstreet
2023-05-07 17:20       ` Kent Overstreet
2023-05-07 20:55         ` Steven Rostedt
2023-05-07 21:53           ` Kent Overstreet
2023-05-07 22:09             ` Steven Rostedt
2023-05-07 22:17               ` Kent Overstreet
2023-05-08 15:52         ` Petr Tesařík
2023-05-08 15:57           ` Kent Overstreet
2023-05-08 16:09             ` Petr Tesařík
2023-05-08 16:28               ` Kent Overstreet
2023-05-08 18:59                 ` Petr Tesařík
2023-05-08 20:48                   ` Kent Overstreet

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