lkml.org 
[lkml]   [2022]   [Jun]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v4 2/4] memblock tests: add verbose output to memblock tests
On Wed, Jun 29, 2022 at 01:34:54PM +0200, David Hildenbrand wrote:
> On 28.06.22 00:34, Rebecca Mckeever wrote:
> > Add and use functions and macros for printing verbose testing output.
> >
> > If the Memblock simulator was compiled with VERBOSE=1:
> > - prefix_push(): appends the given string to a prefix string that will be
> > printed in test_fail() and test_pass*().
> >
> > - prefix_pop(): removes the last prefix from the prefix string.
> >
> > - prefix_reset(): clears the prefix string.
> >
> > - test_fail(): prints a message after a test fails containing the test
> > number of the failing test and the prefix.
> >
> > - test_pass(): prints a message after a test passes containing its test
> > number and the prefix.
> >
> > - test_print(): prints the given formatted output string.
> >
> > - test_pass_pop(): runs test_pass() followed by prefix_pop().
> >
> > - PREFIX_PUSH(): runs prefix_push(__func__).
> >
> > If the Memblock simulator was not compiled with VERBOSE=1, these
> > functions/macros do nothing.
> >
> > Add the assert wrapper macros ASSERT_EQ(), ASSERT_NE(), and ASSERT_LT().
> > If the assert condition fails, these macros call test_fail() before
> > executing assert().
> >
> > Signed-off-by: Rebecca Mckeever <remckee0@gmail.com>
>
>
> [...]
>
> >
> > diff --git a/tools/testing/memblock/tests/common.c b/tools/testing/memblock/tests/common.c
> > index 62d3191f7c9a..e55b2a8bf0ff 100644
> > --- a/tools/testing/memblock/tests/common.c
> > +++ b/tools/testing/memblock/tests/common.c
> > @@ -4,8 +4,12 @@
> >
> > #define INIT_MEMBLOCK_REGIONS 128
> > #define INIT_MEMBLOCK_RESERVED_REGIONS INIT_MEMBLOCK_REGIONS
> > +#define PREFIXES_LEN_MAX 256
> > +#define DELIM ": "
> > +#define DELIM_LEN strlen(DELIM)
>
> Why not simply
>
> #define PREFIXES_MAX 15
> static const char * __maybe_unused prefixes[PREFIXES_MAX];
> static int nr_prefixes;
>
> And then simply insert/clear the corresponding prefixes[] pointer and
> update nr_prefixes?
>
> When printing, you only have to walk prefixes from 0 ... nr_prefixes - 1
> and print the values.
>
> Avoids any string modifications.
>
What is nr_prefixes? Number of prefixes? Currently, the longest prefix is
49 characters (alloc_try_nid_bottom_up_reserved_with_space_check), so I
think PREFIXES_MAX would need to be at least 52 (including the delimiter),
but let me know if I'm misunderstanding.
>
> Anyhow, this LGTM
>
> Acked-by: David Hildenbrand <david@redhat.com>
>
> --
> Thanks,
>
> David / dhildenb
>
Thanks,
Rebecca

\
 
 \ /
  Last update: 2022-06-29 19:09    [W:0.052 / U:0.124 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site