Messages in this thread | | | Date | Tue, 30 Apr 2019 11:03:58 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH 3/4] perf cgroup: Add cgroup ID as a key of RB tree |
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On Mon, Apr 29, 2019 at 07:44:04AM -0700, kan.liang@linux.intel.com wrote: > +static struct perf_event * > +perf_event_groups_first_cgroup(struct perf_event_groups *groups, > + int cpu, u64 cgrp_id) > +{ > + struct perf_event *node_event = NULL, *match = NULL; > + struct rb_node *node = groups->tree.rb_node; > + > + while (node) { > + node_event = container_of(node, struct perf_event, group_node); > + > + if (cpu < node_event->cpu) { > + node = node->rb_left; > + } else if (cpu > node_event->cpu) { > + node = node->rb_right; > + } else { > + if (cgrp_id_low(cgrp_id) < cgrp_id_low(node_event->cgrp_id)) > + node = node->rb_left; > + else if (cgrp_id_low(cgrp_id) > cgrp_id_low(node_event->cgrp_id)) > + node = node->rb_right; > + else { > + match = node_event; > + node = node->rb_left; > + } > + } > + } > + return match; > +}
That's whitespace challenged.
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