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From 5a978253cced5135a6dd01c730faea2fd21a5dc9 Mon Sep 17 00:00:00 2001
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Message-Id: <5a978253cced5135a6dd01c730faea2fd21a5dc9@dist-git>
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From: Martin Kletzander <mkletzan@redhat.com>
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Date: Wed, 31 Jan 2018 16:32:18 +0100
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Subject: [PATCH] conf: Format cache banks in capabilities with
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virFormatIntPretty
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https://bugzilla.redhat.com/show_bug.cgi?id=1289368
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Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
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Reviewed-by: John Ferlan <jferlan@redhat.com>
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(cherry picked from commit 63d95a19cc72d120d40092c1e97235d7b9d4eb29)
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Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
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---
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src/conf/capabilities.c | 50 ++++++++++++++--------
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tests/vircaps2xmldata/vircaps-x86_64-caches.xml | 2 +-
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.../vircaps2xmldata/vircaps-x86_64-resctrl-cdp.xml | 4 +-
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.../vircaps2xmldata/vircaps-x86_64-resctrl-skx.xml | 4 +-
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tests/vircaps2xmldata/vircaps-x86_64-resctrl.xml | 4 +-
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5 files changed, 39 insertions(+), 25 deletions(-)
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diff --git a/src/conf/capabilities.c b/src/conf/capabilities.c
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index 1f7d8cdb31..798c9bdaea 100644
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--- a/src/conf/capabilities.c
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+++ b/src/conf/capabilities.c
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@@ -883,7 +883,8 @@ virCapabilitiesFormatCaches(virBufferPtr buf,
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for (i = 0; i < ncaches; i++) {
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virCapsHostCacheBankPtr bank = caches[i];
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char *cpus_str = virBitmapFormat(bank->cpus);
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- bool kilos = !(bank->size % 1024);
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+ const char *unit = NULL;
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+ unsigned long long short_size = virFormatIntPretty(bank->size, &unit);
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if (!cpus_str)
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return -1;
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@@ -897,34 +898,47 @@ virCapabilitiesFormatCaches(virBufferPtr buf,
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"size='%llu' unit='%s' cpus='%s'",
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bank->id, bank->level,
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virCacheTypeToString(bank->type),
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- bank->size >> (kilos * 10),
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- kilos ? "KiB" : "B",
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- cpus_str);
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+ short_size, unit, cpus_str);
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VIR_FREE(cpus_str);
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virBufferSetChildIndent(&controlBuf, buf);
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for (j = 0; j < bank->ncontrols; j++) {
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- bool min_kilos = !(bank->controls[j]->granularity % 1024);
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+ const char *min_unit;
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+ virResctrlInfoPtr controls = bank->controls[j];
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+ unsigned long long gran_short_size = controls->granularity;
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+ unsigned long long min_short_size = controls->min;
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- /* Only use KiB if both values are divisible */
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- if (bank->controls[j]->min)
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- min_kilos = min_kilos && !(bank->controls[j]->min % 1024);
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+ gran_short_size = virFormatIntPretty(gran_short_size, &unit);
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+ min_short_size = virFormatIntPretty(min_short_size, &min_unit);
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- virBufferAsprintf(&controlBuf,
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- "
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- bank->controls[j]->granularity >> (min_kilos * 10));
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+ /* Only use the smaller unit if they are different */
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+ if (min_short_size) {
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+ unsigned long long gran_div;
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+ unsigned long long min_div;
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- if (bank->controls[j]->min) {
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- virBufferAsprintf(&controlBuf,
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- " min='%llu'",
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- bank->controls[j]->min >> (min_kilos * 10));
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+ gran_div = controls->granularity / gran_short_size;
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+ min_div = controls->min / min_short_size;
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+
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+ if (min_div > gran_div) {
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+ min_short_size *= min_div / gran_div;
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+ } else if (min_div < gran_div) {
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+ unit = min_unit;
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+ gran_short_size *= gran_div / min_div;
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+ }
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}
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+ virBufferAsprintf(&controlBuf,
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+ "
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+ gran_short_size);
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+
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+ if (min_short_size)
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+ virBufferAsprintf(&controlBuf, " min='%llu'", min_short_size);
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+
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virBufferAsprintf(&controlBuf,
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" unit='%s' type='%s' maxAllocs='%u'/>\n",
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- min_kilos ? "KiB" : "B",
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- virCacheTypeToString(bank->controls[j]->scope),
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- bank->controls[j]->max_allocation);
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+ unit,
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+ virCacheTypeToString(controls->scope),
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+ controls->max_allocation);
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}
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if (virBufferCheckError(&controlBuf) < 0)
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diff --git a/tests/vircaps2xmldata/vircaps-x86_64-caches.xml b/tests/vircaps2xmldata/vircaps-x86_64-caches.xml
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index fe0be6d08f..0c6f3769a2 100644
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--- a/tests/vircaps2xmldata/vircaps-x86_64-caches.xml
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+++ b/tests/vircaps2xmldata/vircaps-x86_64-caches.xml
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@@ -29,7 +29,7 @@
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</cells>
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</topology>
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<cache>
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- <bank id='0' level='3' type='both' size='8192' unit='KiB' cpus='0-7'/>
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+ <bank id='0' level='3' type='both' size='8' unit='MiB' cpus='0-7'/>
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</cache>
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</host>
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diff --git a/tests/vircaps2xmldata/vircaps-x86_64-resctrl-cdp.xml b/tests/vircaps2xmldata/vircaps-x86_64-resctrl-cdp.xml
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index 7361537bfb..443917c62d 100644
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--- a/tests/vircaps2xmldata/vircaps-x86_64-resctrl-cdp.xml
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+++ b/tests/vircaps2xmldata/vircaps-x86_64-resctrl-cdp.xml
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@@ -41,11 +41,11 @@
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</cells>
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</topology>
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<cache>
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- <bank id='0' level='3' type='both' size='15360' unit='KiB' cpus='0-5'>
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+ <bank id='0' level='3' type='both' size='15' unit='MiB' cpus='0-5'>
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<control granularity='768' unit='KiB' type='code' maxAllocs='8'/>
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<control granularity='768' unit='KiB' type='data' maxAllocs='8'/>
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</bank>
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- <bank id='1' level='3' type='both' size='15360' unit='KiB' cpus='6-11'>
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+ <bank id='1' level='3' type='both' size='15' unit='MiB' cpus='6-11'>
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<control granularity='768' unit='KiB' type='code' maxAllocs='8'/>
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<control granularity='768' unit='KiB' type='data' maxAllocs='8'/>
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</bank>
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diff --git a/tests/vircaps2xmldata/vircaps-x86_64-resctrl-skx.xml b/tests/vircaps2xmldata/vircaps-x86_64-resctrl-skx.xml
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index 4e91c87de3..0cd25e59a9 100644
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--- a/tests/vircaps2xmldata/vircaps-x86_64-resctrl-skx.xml
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+++ b/tests/vircaps2xmldata/vircaps-x86_64-resctrl-skx.xml
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@@ -22,8 +22,8 @@
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</cells>
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</topology>
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<cache>
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- <bank id='0' level='3' type='both' size='33792' unit='KiB' cpus='0'>
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- <control granularity='3072' unit='KiB' type='both' maxAllocs='16'/>
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+ <bank id='0' level='3' type='both' size='33' unit='MiB' cpus='0'>
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+ <control granularity='3' unit='MiB' type='both' maxAllocs='16'/>
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</bank>
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</cache>
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</host>
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diff --git a/tests/vircaps2xmldata/vircaps-x86_64-resctrl.xml b/tests/vircaps2xmldata/vircaps-x86_64-resctrl.xml
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index eb02ad3322..7629259294 100644
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--- a/tests/vircaps2xmldata/vircaps-x86_64-resctrl.xml
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+++ b/tests/vircaps2xmldata/vircaps-x86_64-resctrl.xml
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@@ -41,10 +41,10 @@
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</cells>
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</topology>
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<cache>
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- <bank id='0' level='3' type='both' size='15360' unit='KiB' cpus='0-5'>
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+ <bank id='0' level='3' type='both' size='15' unit='MiB' cpus='0-5'>
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<control granularity='768' min='1536' unit='KiB' type='both' maxAllocs='4'/>
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</bank>
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- <bank id='1' level='3' type='both' size='15360' unit='KiB' cpus='6-11'>
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+ <bank id='1' level='3' type='both' size='15' unit='MiB' cpus='6-11'>
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<control granularity='768' min='1536' unit='KiB' type='both' maxAllocs='4'/>
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</bank>
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</cache>
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--
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2.16.1
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