Kasan内核版本下，满规格创建共享组，并发查看调测信息，概率性出现softlockup复位

<p>若不涉及，请填写“免”：</p><p>【* 是否问题】 （有效问题、非问题、重复问题）有效问题</p><p>【* 定位分析】 </p><p>当前/proc/sharepool/proc_stat关联的回调函数中，对SP_RES_T计算方式耗时过长。在sharepool中的共享组和进程都比较多时，需要打印的信息太多，容易产生softlockup，不过系统之后会自行恢复。</p><p><br></p><p>另外，开发人员需要在此处提供问题相关分析的bugzilla连接(如无可不写)，并将问题的最终分析结论详细说明）</p><p>【* 影响评估及测试建议】（描述对功能、性能、接口、共用文件、周边影响；及对测试的建议）</p><p>【* 是否对修改完成单元测试】 (请附自动化用例编号、脚本和结果) 否</p><p>【 是否有受影响的其它项目组、子系统和模块，并建议处理方法】无</p><p>【* 对外影响描述】(请描述对外用户的影响如对外文件(配置文件/头文件/工程文件)的修改列表,对外的配置、函数的寓意变化返回值、取值范围变化、参数类型个数变化等) 有</p><p>【* 是否涉及资料文档变更】(如是，请列出文档清单) 是</p><p>【* 代码修改内容】（请指出代码修改的地方，贴上代码段和补丁commit号）</p><p>https://codehub-y.huawei.com/OpenSourceCenter/openEuler-source/kernel/merge_requests/156</p><p>86b1dd873d18dcec0e3a1994a3e1f62f3af600a6 （" [Huawei] mm: sharepool: fix softlockup in high pressure use case."）</p><p><br></p><p><span style="color: rgb(0, 0, 0); background-color: rgb(247, 247, 247);">【涉及内核版本】</span></p><p><br></p><div class="quill-better-table-wrapper"><table class="quill-better-table" contenteditable="false" style="width: 200px;"><colgroup><col width="100"><col width="100"></colgroup><tbody><tr data-row="row-uptr"><td data-row="row-uptr" data-cell="cell-83x2" rowspan="1" colspan="1"><div class="qlbt-cell-line" data-row="row-uptr" data-cell="cell-83x2" data-rowspan="1" data-colspan="1">内核分支</div></td><td data-row="row-uptr" data-cell="cell-gozm" rowspan="1" colspan="1"><div class="qlbt-cell-line" data-row="row-uptr" data-cell="cell-gozm" data-rowspan="1" data-colspan="1"> 涉及情况</div></td></tr><tr data-row="row-3256"><td data-row="row-3256" data-cell="cell-6rf5" rowspan="1" colspan="1"><div class="qlbt-cell-line" data-row="row-3256" data-cell="cell-6rf5" data-rowspan="1" data-colspan="1">3.10   </div></td><td data-row="row-3256" data-cell="cell-elpy" rowspan="1" colspan="1" class=""><div class="qlbt-cell-line" data-row="row-3256" data-cell="cell-elpy" data-rowspan="1" data-colspan="1">n</div></td></tr><tr data-row="row-taid"><td data-row="row-taid" data-cell="cell-eih6" rowspan="1" colspan="1"><div class="qlbt-cell-line" data-row="row-taid" data-cell="cell-eih6" data-rowspan="1" data-colspan="1">4.1   </div></td><td data-row="row-taid" data-cell="cell-ovxv" rowspan="1" colspan="1" class=""><div class="qlbt-cell-line" data-row="row-taid" data-cell="cell-ovxv" data-rowspan="1" data-colspan="1">n</div></td></tr><tr data-row="row-xtwn"><td data-row="row-xtwn" data-cell="cell-o3k3" rowspan="1" colspan="1"><div class="qlbt-cell-line" data-row="row-xtwn" data-cell="cell-o3k3" data-rowspan="1" data-colspan="1">4.4  </div></td><td data-row="row-xtwn" data-cell="cell-xej3" rowspan="1" colspan="1" class=""><div class="qlbt-cell-line" data-row="row-xtwn" data-cell="cell-xej3" data-rowspan="1" data-colspan="1">n</div></td></tr><tr data-row="row-lso7"><td data-row="row-lso7" data-cell="cell-u67g" rowspan="1" colspan="1"><div class="qlbt-cell-line" data-row="row-lso7" data-cell="cell-u67g" data-rowspan="1" data-colspan="1">4.18</div></td><td data-row="row-lso7" data-cell="cell-oeqf" rowspan="1" colspan="1" class=""><div class="qlbt-cell-line" data-row="row-lso7" data-cell="cell-oeqf" data-rowspan="1" data-colspan="1">n</div></td></tr><tr data-row="row-srbs"><td data-row="row-srbs" data-cell="cell-durf" rowspan="1" colspan="1"><div class="qlbt-cell-line" data-row="row-srbs" data-cell="cell-durf" data-rowspan="1" data-colspan="1">4.19   </div></td><td data-row="row-srbs" data-cell="cell-3m7n" rowspan="1" colspan="1" class=""><div class="qlbt-cell-line" data-row="row-srbs" data-cell="cell-3m7n" data-rowspan="1" data-colspan="1">n</div></td></tr><tr data-row="row-eytg"><td data-row="row-eytg" data-cell="cell-w8p2" rowspan="1" colspan="1"><div class="qlbt-cell-line" data-row="row-eytg" data-cell="cell-w8p2" data-rowspan="1" data-colspan="1">5.10（RTOS）</div></td><td data-row="row-eytg" data-cell="cell-mvrx" rowspan="1" colspan="1" class=""><div class="qlbt-cell-line" data-row="row-eytg" data-cell="cell-mvrx" data-rowspan="1" data-colspan="1">n</div></td></tr><tr data-row="row-inv5"><td data-row="row-inv5" data-cell="cell-ljkt" rowspan="1" colspan="1"><div class="qlbt-cell-line" data-row="row-inv5" data-cell="cell-ljkt" data-rowspan="1" data-colspan="1">5.10(EULEROS)</div></td><td data-row="row-inv5" data-cell="cell-h4gn" rowspan="1" colspan="1" class=""><div class="qlbt-cell-line" data-row="row-inv5" data-cell="cell-h4gn" data-rowspan="1" data-colspan="1">y</div></td></tr><tr data-row="row-434n"><td data-row="row-434n" data-cell="cell-3wmq" rowspan="1" colspan="1"><div class="qlbt-cell-line" data-row="row-434n" data-cell="cell-3wmq" data-rowspan="1" data-colspan="1"> 7.3</div></td><td data-row="row-434n" data-cell="cell-svfd" rowspan="1" colspan="1" class=""><div class="qlbt-cell-line" data-row="row-434n" data-cell="cell-svfd" data-rowspan="1" data-colspan="1">n</div></td></tr><tr data-row="row-aqe0"><td data-row="row-aqe0" data-cell="cell-n83l" rowspan="1" colspan="1"><div class="qlbt-cell-line" data-row="row-aqe0" data-cell="cell-n83l" data-rowspan="1" data-colspan="1"> 7.5 </div></td><td data-row="row-aqe0" data-cell="cell-2j33" rowspan="1" colspan="1" class=""><div class="qlbt-cell-line" data-row="row-aqe0" data-cell="cell-2j33" data-rowspan="1" data-colspan="1">n</div></td></tr></tbody></table></div><p><span style="background-color: rgb(247, 247, 247); color: rgb(0, 0, 0);">【内核版本缺陷修复纵n向排查】</span></p><div class="quill-better-table-wrapper"><table class="quill-better-table" contenteditable="false" style="width: 200px;"><colgroup><col width="100"><col width="100"></colgroup><tbody><tr data-row="row-ssjy"><td data-row="row-ssjy" data-cell="cell-h27j" rowspan="1" colspan="1"><div class="qlbt-cell-line" data-row="row-ssjy" data-cell="cell-h27j" data-rowspan="1" data-colspan="1"><span style="font-size: 14px; color: rgb(103, 106, 108); background-color: transparent;">问题单检查</span></div></td><td data-row="row-ssjy" data-cell="cell-pdjv" rowspan="1" colspan="1"><div class="qlbt-cell-line" data-row="row-ssjy" data-cell="cell-pdjv" data-rowspan="1" data-colspan="1"><span style="font-size: 14px; color: rgb(103, 106, 108); background-color: transparent;"> 涉及情况</span></div></td></tr><tr data-row="row-ndqj"><td data-row="row-ndqj" data-cell="cell-bh0k" rowspan="1" colspan="1"><div class="qlbt-cell-line" data-row="row-ndqj" data-cell="cell-bh0k" data-rowspan="1" data-colspan="1">是否涉及死锁</div></td><td data-row="row-ndqj" data-cell="cell-16r5" rowspan="1" colspan="1" class=""><div class="qlbt-cell-line" data-row="row-ndqj" data-cell="cell-16r5" data-rowspan="1" data-colspan="1">n</div></td></tr><tr data-row="row-xuok"><td data-row="row-xuok" data-cell="cell-73ul" rowspan="1" colspan="1"><div class="qlbt-cell-line" data-row="row-xuok" data-cell="cell-73ul" data-rowspan="1" data-colspan="1">修改是否涉及临界区变更</div></td><td data-row="row-xuok" data-cell="cell-e7dy" rowspan="1" colspan="1" class=""><div class="qlbt-cell-line" data-row="row-xuok" data-cell="cell-e7dy" data-rowspan="1" data-colspan="1">n</div></td></tr><tr data-row="row-wsfx"><td data-row="row-wsfx" data-cell="cell-yj7n" rowspan="1" colspan="1"><div class="qlbt-cell-line" data-row="row-wsfx" data-cell="cell-yj7n" data-rowspan="1" data-colspan="1"><span style="font-size: 14px; color: rgb(103, 106, 108); background-color: transparent;">是否完成相关特性死锁排查 </span></div></td><td data-row="row-wsfx" data-cell="cell-1dqa" rowspan="1" colspan="1" class=""><div class="qlbt-cell-line" data-row="row-wsfx" data-cell="cell-1dqa" data-rowspan="1" data-colspan="1">y</div></td></tr></tbody></table></div><p><span style="color: rgb(0, 0, 0); font-size: 16px; background-color: rgb(247, 247, 247);">】是/否: Y</span></p><p><br></p><p><br></p><p><br></p><p>  </p><p>    </p><p>    </p><p>     </p><p>   </p><p>  </p><p>       </p><p>      </p>

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