https://jira.whamcloud.com This file is an XML representation of an issue en-us 9.4.14 940014 05-12-2023 https://jira.whamcloud.com/browse/LU-8703 Lustre <p>KNL systems have two NUMA nodes but only one node have CPUs.</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre># numactl -H available: 2 nodes (0-1) node 0 cpus: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 node 0 size: 98200 MB node 0 free: 93543 MB node 1 cpus: node 1 size: 16384 MB node 1 free: 15927 MB node distances: node 0 1 0: 10 31 1: 31 10 </pre> </div></div> <p>So, this brings fail <tt>"LNetError: 288641:0:(linux-cpu.c:1102:cfs_cpu_init()) Failed to create cptab from pattern N"</tt> during libcfs load.</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java"><span class="code-object">int</span> cfs_cpt_set_cpumask(struct cfs_cpt_table *cptab, <span class="code-object">int</span> cpt, cpumask_t *mask) { <span class="code-object">int</span> i; <span class="code-keyword">if</span> (cpumask_weight(mask) == 0 || &lt;== *** HERE *** cpumask_any_and(mask, cpu_online_mask) &gt;= nr_cpu_ids) { CDEBUG(D_INFO, <span class="code-quote">"No online CPU is found in the CPU mask "</span> <span class="code-quote">"<span class="code-keyword">for</span> CPU partition %d\n"</span>, cpt); <span class="code-keyword">return</span> 0; } </pre> </div></div> <p><tt>cpumask_weight(mask)</tt> for node 1 is zero!</p> LU-8703

rework CPU partition code

Bug Minor Resolved Fixed Dmitry Eremin Dmitry Eremin Thu, 13 Oct 2016 12:19:21 +0000 Sun, 11 Feb 2018 17:06:29 +0000 Wed, 19 Jul 2017 03:50:22 +0000 Lustre 2.10.1 Lustre 2.11.0 0 16 <p>Dmitry Eremin (dmitry.eremin@intel.com) uploaded a new patch: <a href="http://review.whamcloud.com/23222" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/23222</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-8703" title="rework CPU partition code" class="issue-link" data-issue-key="LU-8703"><del>LU-8703</del></a> libcfs: rework CPU partition code<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: c20768e9f7d61ab996476245845b97493a6a1c19</p> <p>Proposed patch can be treated as temporary workable solution. In general current CPU affinity and partition approach should be significantly elaborated.</p> <p>I will split this patch into the sequence of several small patches. So, rename ticket name for following work.</p> <p>Dmitry Eremin (dmitry.eremin@intel.com) uploaded a new patch: <a href="http://review.whamcloud.com/23303" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/23303</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-8703" title="rework CPU partition code" class="issue-link" data-issue-key="LU-8703"><del>LU-8703</del></a> libcfs: remove usless CPU partition code<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 749f12fd45789b7567d62354134383d6f8dbd67b</p> <p>Dmitry Eremin (dmitry.eremin@intel.com) uploaded a new patch: <a href="http://review.whamcloud.com/23304" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/23304</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-8703" title="rework CPU partition code" class="issue-link" data-issue-key="LU-8703"><del>LU-8703</del></a> libcfs: use int type for CPU identification.<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 64a25ef0d2fe4454996a98c1142ff8d60329a360</p> <p>Dmitry Eremin (dmitry.eremin@intel.com) uploaded a new patch: <a href="http://review.whamcloud.com/23306" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/23306</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-8703" title="rework CPU partition code" class="issue-link" data-issue-key="LU-8703"><del>LU-8703</del></a> libcfs: rework CPU pattern parsing code<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 4c8bfd503e20eaa1b14993e8d09b49ef99ff664d</p> <p>Thanks Dmitry for breaking it up.</p> <p>Dmitry Eremin (dmitry.eremin@intel.com) uploaded a new patch: <a href="http://review.whamcloud.com/23307" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/23307</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-8703" title="rework CPU partition code" class="issue-link" data-issue-key="LU-8703"><del>LU-8703</del></a> libcfs: fix error messages<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: de8deb74fbe7eac4da0bef8e6ab4fea5a0ab0450</p> <p>Dmitry Eremin (dmitry.eremin@intel.com) uploaded a new patch: <a href="https://review.whamcloud.com/24304" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/24304</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-8703" title="rework CPU partition code" class="issue-link" data-issue-key="LU-8703"><del>LU-8703</del></a> libcfs: change CPT estimate algorithm<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 5a928f213bfb24a6c7e5ae353bc7872528e32a1d</p> <p>Oleg Drokin (oleg.drokin@intel.com) merged in patch <a href="https://review.whamcloud.com/23307/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/23307/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-8703" title="rework CPU partition code" class="issue-link" data-issue-key="LU-8703"><del>LU-8703</del></a> libcfs: fix error messages<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 20c748658000f5454f38576af506643e370bb1bc</p> <p>Oleg Drokin (oleg.drokin@intel.com) merged in patch <a href="https://review.whamcloud.com/23303/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/23303/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-8703" title="rework CPU partition code" class="issue-link" data-issue-key="LU-8703"><del>LU-8703</del></a> libcfs: remove usless CPU partition code<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: c96c0043e9794c6e7e72c241d11908381b9fbbc3</p> <p>Dmitry Eremin (dmitry.eremin@intel.com) uploaded a new patch: <a href="https://review.whamcloud.com/25048" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/25048</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-8703" title="rework CPU partition code" class="issue-link" data-issue-key="LU-8703"><del>LU-8703</del></a> libcfs: remove usless abstraction<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 204666bbd750a577500c2d9c9d2d31e0bc1c4544</p> <p>Oleg Drokin (oleg.drokin@intel.com) merged in patch <a href="https://review.whamcloud.com/25048/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/25048/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-8703" title="rework CPU partition code" class="issue-link" data-issue-key="LU-8703"><del>LU-8703</del></a> libcfs: remove usless abstraction<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 40fe3cd7283dfd1cee5f989483c517601ac773f8</p> <p>Oleg Drokin (oleg.drokin@intel.com) merged in patch <a href="https://review.whamcloud.com/23304/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/23304/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-8703" title="rework CPU partition code" class="issue-link" data-issue-key="LU-8703"><del>LU-8703</del></a> libcfs: use int type for CPT identification.<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: bcb737a19433e3e32df6a826f29d15a3666f54d8</p> <p>Oleg Drokin (oleg.drokin@intel.com) merged in patch <a href="https://review.whamcloud.com/23222/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/23222/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-8703" title="rework CPU partition code" class="issue-link" data-issue-key="LU-8703"><del>LU-8703</del></a> libcfs: make tolerant to offline CPUs and empty NUMA nodes<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 42bf19a573a5c967e54302cc08c7b51effac3dd9</p> <p>Landed for 2.10</p> <p>Actually their are two patches left.</p> <p>Oleg Drokin (oleg.drokin@intel.com) merged in patch <a href="https://review.whamcloud.com/23306/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/23306/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-8703" title="rework CPU partition code" class="issue-link" data-issue-key="LU-8703"><del>LU-8703</del></a> libcfs: rework CPU pattern parsing code<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 62bc3afea210eed59dd25fa4cf0fd5ecd083a7ae</p> <p>Oleg Drokin (oleg.drokin@intel.com) merged in patch <a href="https://review.whamcloud.com/24304/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/24304/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-8703" title="rework CPU partition code" class="issue-link" data-issue-key="LU-8703"><del>LU-8703</del></a> libcfs: change CPT estimate algorithm<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 02dea319b2ef21868b3fa3fad7b3f5cab7eb244e</p> <p>Now everything has landed for 2.11</p> <p>James Simmons (uja.ornl@yahoo.com) uploaded a new patch: <a href="https://review.whamcloud.com/28111" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/28111</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-8703" title="rework CPU partition code" class="issue-link" data-issue-key="LU-8703"><del>LU-8703</del></a> libcfs: change CPT estimate algorithm<br/> Project: fs/lustre-release<br/> Branch: b2_10<br/> Current Patch Set: 1<br/> Commit: f44a81459d9409f0572b120a186d933825dbb5f5</p> <p>John L. Hammond (john.hammond@intel.com) merged in patch <a href="https://review.whamcloud.com/28111/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/28111/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-8703" title="rework CPU partition code" class="issue-link" data-issue-key="LU-8703"><del>LU-8703</del></a> libcfs: change CPT estimate algorithm<br/> Project: fs/lustre-release<br/> Branch: b2_10<br/> Current Patch Set: <br/> Commit: 3c5d093308bf7103cdd87cec1d7170b61482e9c9</p> Duplicate LU-8710 Related LU-9715 LU-9448 LU-9859 Development Rank 1|hzyrpr: Rank (Obsolete) 9223372036854775807 Severity