Merge branch 'linus' into perf/core
Merge reason: Pick up the latest perf fixes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
@@ -0,0 +1,4 @@
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ifndef NO_DWARF
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PERF_HAVE_DWARF_REGS := 1
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LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/dwarf-regs.o
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endif
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@@ -0,0 +1,43 @@
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/*
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* Mapping of DWARF debug register numbers into register names.
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*
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* Copyright (C) 2010 David S. Miller <davem@davemloft.net>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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*/
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#include <libio.h>
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#include <dwarf-regs.h>
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#define SPARC_MAX_REGS 96
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const char *sparc_regs_table[SPARC_MAX_REGS] = {
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"%g0", "%g1", "%g2", "%g3", "%g4", "%g5", "%g6", "%g7",
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"%o0", "%o1", "%o2", "%o3", "%o4", "%o5", "%sp", "%o7",
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"%l0", "%l1", "%l2", "%l3", "%l4", "%l5", "%l6", "%l7",
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"%i0", "%i1", "%i2", "%i3", "%i4", "%i5", "%fp", "%i7",
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"%f0", "%f1", "%f2", "%f3", "%f4", "%f5", "%f6", "%f7",
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"%f8", "%f9", "%f10", "%f11", "%f12", "%f13", "%f14", "%f15",
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"%f16", "%f17", "%f18", "%f19", "%f20", "%f21", "%f22", "%f23",
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"%f24", "%f25", "%f26", "%f27", "%f28", "%f29", "%f30", "%f31",
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"%f32", "%f33", "%f34", "%f35", "%f36", "%f37", "%f38", "%f39",
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"%f40", "%f41", "%f42", "%f43", "%f44", "%f45", "%f46", "%f47",
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"%f48", "%f49", "%f50", "%f51", "%f52", "%f53", "%f54", "%f55",
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"%f56", "%f57", "%f58", "%f59", "%f60", "%f61", "%f62", "%f63",
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};
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/**
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* get_arch_regstr() - lookup register name from it's DWARF register number
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* @n: the DWARF register number
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*
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* get_arch_regstr() returns the name of the register in struct
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* regdwarfnum_table from it's DWARF register number. If the register is not
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* found in the table, this returns NULL;
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*/
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const char *get_arch_regstr(unsigned int n)
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{
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return (n <= SPARC_MAX_REGS) ? sparc_regs_table[n] : NULL;
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}
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@@ -107,7 +107,7 @@ static int perf_session__add_hist_entry(struct perf_session *self,
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goto out_free_syms;
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err = 0;
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if (symbol_conf.use_callchain) {
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err = append_chain(he->callchain, data->callchain, syms);
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err = append_chain(he->callchain, data->callchain, syms, data->period);
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if (err)
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goto out_free_syms;
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}
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@@ -5,17 +5,13 @@ if [ $# -eq 1 ] ; then
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fi
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GVF=${OUTPUT}PERF-VERSION-FILE
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DEF_VER=v0.0.2.PERF
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LF='
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'
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# First see if there is a version file (included in release tarballs),
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# then try git-describe, then default.
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if test -f version
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then
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VN=$(cat version) || VN="$DEF_VER"
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elif test -d .git -o -f .git &&
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# First check if there is a .git to get the version from git describe
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# otherwise try to get the version from the kernel makefile
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if test -d ../../.git -o -f ../../.git &&
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VN=$(git describe --abbrev=4 HEAD 2>/dev/null) &&
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case "$VN" in
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*$LF*) (exit 1) ;;
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@@ -27,7 +23,12 @@ elif test -d .git -o -f .git &&
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then
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VN=$(echo "$VN" | sed -e 's/-/./g');
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else
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VN="$DEF_VER"
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eval `grep '^VERSION\s*=' ../../Makefile|tr -d ' '`
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eval `grep '^PATCHLEVEL\s*=' ../../Makefile|tr -d ' '`
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eval `grep '^SUBLEVEL\s*=' ../../Makefile|tr -d ' '`
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eval `grep '^EXTRAVERSION\s*=' ../../Makefile|tr -d ' '`
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VN="${VERSION}.${PATCHLEVEL}.${SUBLEVEL}${EXTRAVERSION}"
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fi
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VN=$(expr "$VN" : v*'\(.*\)')
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+18
-17
@@ -230,7 +230,7 @@ fill_node(struct callchain_node *node, struct resolved_chain *chain, int start)
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static void
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add_child(struct callchain_node *parent, struct resolved_chain *chain,
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int start)
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int start, u64 period)
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{
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struct callchain_node *new;
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@@ -238,7 +238,7 @@ add_child(struct callchain_node *parent, struct resolved_chain *chain,
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fill_node(new, chain, start);
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new->children_hit = 0;
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new->hit = 1;
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new->hit = period;
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}
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/*
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@@ -248,7 +248,8 @@ add_child(struct callchain_node *parent, struct resolved_chain *chain,
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*/
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static void
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split_add_child(struct callchain_node *parent, struct resolved_chain *chain,
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struct callchain_list *to_split, int idx_parents, int idx_local)
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struct callchain_list *to_split, int idx_parents, int idx_local,
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u64 period)
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{
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struct callchain_node *new;
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struct list_head *old_tail;
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@@ -275,41 +276,41 @@ split_add_child(struct callchain_node *parent, struct resolved_chain *chain,
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/* create a new child for the new branch if any */
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if (idx_total < chain->nr) {
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parent->hit = 0;
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add_child(parent, chain, idx_total);
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parent->children_hit++;
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add_child(parent, chain, idx_total, period);
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parent->children_hit += period;
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} else {
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parent->hit = 1;
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parent->hit = period;
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}
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}
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static int
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__append_chain(struct callchain_node *root, struct resolved_chain *chain,
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unsigned int start);
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unsigned int start, u64 period);
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static void
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__append_chain_children(struct callchain_node *root,
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struct resolved_chain *chain,
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unsigned int start)
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unsigned int start, u64 period)
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{
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struct callchain_node *rnode;
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/* lookup in childrens */
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chain_for_each_child(rnode, root) {
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unsigned int ret = __append_chain(rnode, chain, start);
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unsigned int ret = __append_chain(rnode, chain, start, period);
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if (!ret)
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goto inc_children_hit;
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}
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/* nothing in children, add to the current node */
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add_child(root, chain, start);
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add_child(root, chain, start, period);
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inc_children_hit:
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root->children_hit++;
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root->children_hit += period;
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}
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static int
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__append_chain(struct callchain_node *root, struct resolved_chain *chain,
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unsigned int start)
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unsigned int start, u64 period)
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{
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struct callchain_list *cnode;
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unsigned int i = start;
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@@ -345,18 +346,18 @@ __append_chain(struct callchain_node *root, struct resolved_chain *chain,
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/* we match only a part of the node. Split it and add the new chain */
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if (i - start < root->val_nr) {
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split_add_child(root, chain, cnode, start, i - start);
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split_add_child(root, chain, cnode, start, i - start, period);
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return 0;
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}
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/* we match 100% of the path, increment the hit */
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if (i - start == root->val_nr && i == chain->nr) {
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root->hit++;
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root->hit += period;
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return 0;
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}
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/* We match the node and still have a part remaining */
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__append_chain_children(root, chain, i);
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__append_chain_children(root, chain, i, period);
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return 0;
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}
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@@ -380,7 +381,7 @@ static void filter_context(struct ip_callchain *old, struct resolved_chain *new,
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int append_chain(struct callchain_node *root, struct ip_callchain *chain,
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struct map_symbol *syms)
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struct map_symbol *syms, u64 period)
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{
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struct resolved_chain *filtered;
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@@ -397,7 +398,7 @@ int append_chain(struct callchain_node *root, struct ip_callchain *chain,
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if (!filtered->nr)
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goto end;
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__append_chain_children(root, filtered, 0);
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__append_chain_children(root, filtered, 0, period);
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end:
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free(filtered);
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@@ -49,6 +49,9 @@ static inline void callchain_init(struct callchain_node *node)
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INIT_LIST_HEAD(&node->brothers);
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INIT_LIST_HEAD(&node->children);
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INIT_LIST_HEAD(&node->val);
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node->parent = NULL;
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node->hit = 0;
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}
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static inline u64 cumul_hits(struct callchain_node *node)
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@@ -58,7 +61,7 @@ static inline u64 cumul_hits(struct callchain_node *node)
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int register_callchain_param(struct callchain_param *param);
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int append_chain(struct callchain_node *root, struct ip_callchain *chain,
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struct map_symbol *syms);
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struct map_symbol *syms, u64 period);
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bool ip_callchain__valid(struct ip_callchain *chain, const event_t *event);
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#endif /* __PERF_CALLCHAIN_H */
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