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Date: Thu, 18 Aug 2022 22:03:58 -0700
From: Rebecca Mckeever <remckee0@...il.com>
To: "Huang, Shaoqin" <shaoqin.huang@...el.com>
Cc: Mike Rapoport <rppt@...nel.org>, linux-mm@...ck.org,
linux-kernel@...r.kernel.org, David Hildenbrand <david@...hat.com>
Subject: Re: [PATCH 3/8] memblock tests: add labels to verbose output for
generic alloc tests
On Tue, Aug 16, 2022 at 11:08:44AM +0800, Huang, Shaoqin wrote:
>
>
> On 8/16/2022 10:39 AM, Rebecca Mckeever wrote:
> > On Mon, Aug 15, 2022 at 05:15:47PM +0800, Huang, Shaoqin wrote:
> > > I found original some of test function has the prefix `top_down` and
> > > `bottom_up`, and some of test function didn't have the prefix.
> > >
> > > In this patch, it just modified these functions which didn't have the prefix
> > > `top_down` or `bottom_up`, and now there are two style about these test
> > > functions in the code.
> > >
> > > One is:
> > > run_top_down(alloc_in_between_generic_check);
> > > run_bottom_up(alloc_in_between_generic_check);
> > >
> > > Another one is:
> > > memblock_set_bottom_up(false);
> > > alloc_top_down_before_check();
> > > memblock_set_bottom_up(true);
> > > alloc_bottom_up_before_check();
> > >
> > > Thus there gonna be two output style, here is an example:
> > > ok 89 : memblock_alloc_from: top-down: alloc_from_simple_generic_check:
> > > passed
> > > ok 90 : memblock_alloc_from: bottom-up: alloc_from_simple_generic_check:
> > > passed
> > >
> > > ok 99 : memblock_alloc_try_nid: alloc_try_nid_top_down_simple_check: passed
> > > ok 100 : memblock_alloc_try_nid: alloc_try_nid_bottom_up_simple_check:
> > > passed
> > >
> > > It may make confuse if one is printed between the colon and one is inside
> > > the function name.
> > >
> > > So maybe make the style consistent is more make sense. And I think this can
> > > be done by modify all these function name which with `top_down` and
> > > `bottom_up` inside, and replace them with your new run_top_down() and
> > > run_bottom_up() functions.
> > >
> > So you're saying use run_top_down() and run_bottom_up() even for functions
> > with `top_down` and `bottom_up` in the name, but don't change the names?
> >
>
> Yes. We can't delete these `top_down` and `bottom_up` in the name and makes
> two functions to have the same name. Due to these functions with `top_down`
> and `bottom_up` have different implementation.
>
> If use run_top_down() and run_bottom_up() for these functions. We can get
> the consistent output style, but a little redundant output(Maybe this isn't
> a good idea).
>
Yes, I think the output would be too redundant. Even though there are
two different output styles, the style is consistent within each pair of
tests. So there is at least a consistent pattern.
> > > On 8/14/2022 1:53 PM, Rebecca Mckeever wrote:
> > > > Generic tests for memblock_alloc*() functions do not use separate
> > > > functions for testing top-down and bottom-up allocation directions.
> > > > Therefore, the function name that is displayed in the verbose testing
> > > > output does not include the allocation direction.
> > > >
> > > > Add an additional prefix when running generic tests for
> > > > memblock_alloc*() functions that indicates which allocation direction is
> > > > set. The prefix will be displayed when the tests are run in verbose mode.
> > > >
> > > > Signed-off-by: Rebecca Mckeever <remckee0@...il.com>
> > > > ---
> > > > tools/testing/memblock/tests/alloc_api.c | 36 +++++++------------
> > > > .../memblock/tests/alloc_helpers_api.c | 12 +++----
> > > > tools/testing/memblock/tests/alloc_nid_api.c | 36 +++++++------------
> > > > tools/testing/memblock/tests/common.h | 16 +++++++++
> > > > 4 files changed, 44 insertions(+), 56 deletions(-)
> > > >
> > > > diff --git a/tools/testing/memblock/tests/alloc_api.c b/tools/testing/memblock/tests/alloc_api.c
> > > > index 71c89cb9b2a8..73c2c43e702a 100644
> > > > --- a/tools/testing/memblock/tests/alloc_api.c
> > > > +++ b/tools/testing/memblock/tests/alloc_api.c
> > > > @@ -752,10 +752,8 @@ static int alloc_after_check(void)
> > > > static int alloc_in_between_check(void)
> > > > {
> > > > test_print("\tRunning %s...\n", __func__);
> > > > - memblock_set_bottom_up(false);
> > > > - alloc_in_between_generic_check();
> > > > - memblock_set_bottom_up(true);
> > > > - alloc_in_between_generic_check();
> > > > + run_top_down(alloc_in_between_generic_check);
> > > > + run_bottom_up(alloc_in_between_generic_check);
> > > > return 0;
> > > > }
> > > > @@ -774,10 +772,8 @@ static int alloc_second_fit_check(void)
> > > > static int alloc_small_gaps_check(void)
> > > > {
> > > > test_print("\tRunning %s...\n", __func__);
> > > > - memblock_set_bottom_up(false);
> > > > - alloc_small_gaps_generic_check();
> > > > - memblock_set_bottom_up(true);
> > > > - alloc_small_gaps_generic_check();
> > > > + run_top_down(alloc_small_gaps_generic_check);
> > > > + run_bottom_up(alloc_small_gaps_generic_check);
> > > > return 0;
> > > > }
> > > > @@ -785,10 +781,8 @@ static int alloc_small_gaps_check(void)
> > > > static int alloc_all_reserved_check(void)
> > > > {
> > > > test_print("\tRunning %s...\n", __func__);
> > > > - memblock_set_bottom_up(false);
> > > > - alloc_all_reserved_generic_check();
> > > > - memblock_set_bottom_up(true);
> > > > - alloc_all_reserved_generic_check();
> > > > + run_top_down(alloc_all_reserved_generic_check);
> > > > + run_bottom_up(alloc_all_reserved_generic_check);
> > > > return 0;
> > > > }
> > > > @@ -796,10 +790,8 @@ static int alloc_all_reserved_check(void)
> > > > static int alloc_no_space_check(void)
> > > > {
> > > > test_print("\tRunning %s...\n", __func__);
> > > > - memblock_set_bottom_up(false);
> > > > - alloc_no_space_generic_check();
> > > > - memblock_set_bottom_up(true);
> > > > - alloc_no_space_generic_check();
> > > > + run_top_down(alloc_no_space_generic_check);
> > > > + run_bottom_up(alloc_no_space_generic_check);
> > > > return 0;
> > > > }
> > > > @@ -807,10 +799,8 @@ static int alloc_no_space_check(void)
> > > > static int alloc_limited_space_check(void)
> > > > {
> > > > test_print("\tRunning %s...\n", __func__);
> > > > - memblock_set_bottom_up(false);
> > > > - alloc_limited_space_generic_check();
> > > > - memblock_set_bottom_up(true);
> > > > - alloc_limited_space_generic_check();
> > > > + run_top_down(alloc_limited_space_generic_check);
> > > > + run_bottom_up(alloc_limited_space_generic_check);
> > > > return 0;
> > > > }
> > > > @@ -818,10 +808,8 @@ static int alloc_limited_space_check(void)
> > > > static int alloc_no_memory_check(void)
> > > > {
> > > > test_print("\tRunning %s...\n", __func__);
> > > > - memblock_set_bottom_up(false);
> > > > - alloc_no_memory_generic_check();
> > > > - memblock_set_bottom_up(true);
> > > > - alloc_no_memory_generic_check();
> > > > + run_top_down(alloc_no_memory_generic_check);
> > > > + run_bottom_up(alloc_no_memory_generic_check);
> > > > return 0;
> > > > }
> > > > diff --git a/tools/testing/memblock/tests/alloc_helpers_api.c b/tools/testing/memblock/tests/alloc_helpers_api.c
> > > > index 796527cf3bd2..1ccf02639ad6 100644
> > > > --- a/tools/testing/memblock/tests/alloc_helpers_api.c
> > > > +++ b/tools/testing/memblock/tests/alloc_helpers_api.c
> > > > @@ -357,10 +357,8 @@ static int alloc_from_bottom_up_min_addr_cap_check(void)
> > > > static int alloc_from_simple_check(void)
> > > > {
> > > > test_print("\tRunning %s...\n", __func__);
> > > > - memblock_set_bottom_up(false);
> > > > - alloc_from_simple_generic_check();
> > > > - memblock_set_bottom_up(true);
> > > > - alloc_from_simple_generic_check();
> > > > + run_top_down(alloc_from_simple_generic_check);
> > > > + run_bottom_up(alloc_from_simple_generic_check);
> > > > return 0;
> > > > }
> > > > @@ -368,10 +366,8 @@ static int alloc_from_simple_check(void)
> > > > static int alloc_from_misaligned_check(void)
> > > > {
> > > > test_print("\tRunning %s...\n", __func__);
> > > > - memblock_set_bottom_up(false);
> > > > - alloc_from_misaligned_generic_check();
> > > > - memblock_set_bottom_up(true);
> > > > - alloc_from_misaligned_generic_check();
> > > > + run_top_down(alloc_from_misaligned_generic_check);
> > > > + run_bottom_up(alloc_from_misaligned_generic_check);
> > > > return 0;
> > > > }
> > > > diff --git a/tools/testing/memblock/tests/alloc_nid_api.c b/tools/testing/memblock/tests/alloc_nid_api.c
> > > > index 71b7beb35526..82fa8ea36320 100644
> > > > --- a/tools/testing/memblock/tests/alloc_nid_api.c
> > > > +++ b/tools/testing/memblock/tests/alloc_nid_api.c
> > > > @@ -1142,10 +1142,8 @@ static int alloc_try_nid_cap_min_check(void)
> > > > static int alloc_try_nid_min_reserved_check(void)
> > > > {
> > > > test_print("\tRunning %s...\n", __func__);
> > > > - memblock_set_bottom_up(false);
> > > > - alloc_try_nid_min_reserved_generic_check();
> > > > - memblock_set_bottom_up(true);
> > > > - alloc_try_nid_min_reserved_generic_check();
> > > > + run_top_down(alloc_try_nid_min_reserved_generic_check);
> > > > + run_bottom_up(alloc_try_nid_min_reserved_generic_check);
> > > > return 0;
> > > > }
> > > > @@ -1153,10 +1151,8 @@ static int alloc_try_nid_min_reserved_check(void)
> > > > static int alloc_try_nid_max_reserved_check(void)
> > > > {
> > > > test_print("\tRunning %s...\n", __func__);
> > > > - memblock_set_bottom_up(false);
> > > > - alloc_try_nid_max_reserved_generic_check();
> > > > - memblock_set_bottom_up(true);
> > > > - alloc_try_nid_max_reserved_generic_check();
> > > > + run_top_down(alloc_try_nid_max_reserved_generic_check);
> > > > + run_bottom_up(alloc_try_nid_max_reserved_generic_check);
> > > > return 0;
> > > > }
> > > > @@ -1164,10 +1160,8 @@ static int alloc_try_nid_max_reserved_check(void)
> > > > static int alloc_try_nid_exact_address_check(void)
> > > > {
> > > > test_print("\tRunning %s...\n", __func__);
> > > > - memblock_set_bottom_up(false);
> > > > - alloc_try_nid_exact_address_generic_check();
> > > > - memblock_set_bottom_up(true);
> > > > - alloc_try_nid_exact_address_generic_check();
> > > > + run_top_down(alloc_try_nid_exact_address_generic_check);
> > > > + run_bottom_up(alloc_try_nid_exact_address_generic_check);
> > > > return 0;
> > > > }
> > > > @@ -1175,10 +1169,8 @@ static int alloc_try_nid_exact_address_check(void)
> > > > static int alloc_try_nid_reserved_full_merge_check(void)
> > > > {
> > > > test_print("\tRunning %s...\n", __func__);
> > > > - memblock_set_bottom_up(false);
> > > > - alloc_try_nid_reserved_full_merge_generic_check();
> > > > - memblock_set_bottom_up(true);
> > > > - alloc_try_nid_reserved_full_merge_generic_check();
> > > > + run_top_down(alloc_try_nid_reserved_full_merge_generic_check);
> > > > + run_bottom_up(alloc_try_nid_reserved_full_merge_generic_check);
> > > > return 0;
> > > > }
> > > > @@ -1186,10 +1178,8 @@ static int alloc_try_nid_reserved_full_merge_check(void)
> > > > static int alloc_try_nid_reserved_all_check(void)
> > > > {
> > > > test_print("\tRunning %s...\n", __func__);
> > > > - memblock_set_bottom_up(false);
> > > > - alloc_try_nid_reserved_all_generic_check();
> > > > - memblock_set_bottom_up(true);
> > > > - alloc_try_nid_reserved_all_generic_check();
> > > > + run_top_down(alloc_try_nid_reserved_all_generic_check);
> > > > + run_bottom_up(alloc_try_nid_reserved_all_generic_check);
> > > > return 0;
> > > > }
> > > > @@ -1197,10 +1187,8 @@ static int alloc_try_nid_reserved_all_check(void)
> > > > static int alloc_try_nid_low_max_check(void)
> > > > {
> > > > test_print("\tRunning %s...\n", __func__);
> > > > - memblock_set_bottom_up(false);
> > > > - alloc_try_nid_low_max_generic_check();
> > > > - memblock_set_bottom_up(true);
> > > > - alloc_try_nid_low_max_generic_check();
> > > > + run_top_down(alloc_try_nid_low_max_generic_check);
> > > > + run_bottom_up(alloc_try_nid_low_max_generic_check);
> > > > return 0;
> > > > }
> > > > diff --git a/tools/testing/memblock/tests/common.h b/tools/testing/memblock/tests/common.h
> > > > index 7a16a7dc8f2c..e0dd5b410099 100644
> > > > --- a/tools/testing/memblock/tests/common.h
> > > > +++ b/tools/testing/memblock/tests/common.h
> > > > @@ -101,4 +101,20 @@ static inline void test_pass_pop(void)
> > > > prefix_pop();
> > > > }
> > > > +static inline void run_top_down(int (*func)())
> > > > +{
> > > > + memblock_set_bottom_up(false);
> > > > + prefix_push("top-down");
> > > > + func();
> > > > + prefix_pop();
> > > > +}
> > > > +
> > > > +static inline void run_bottom_up(int (*func)())
> > > > +{
> > > > + memblock_set_bottom_up(true);
> > > > + prefix_push("bottom-up");
> > > > + func();
> > > > + prefix_pop();
> > > > +}
> > > > +
> > > > #endif
Thanks,
Rebecca
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