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-rw-r--r--tools/misc/xen-tmem-list-parse.c288
1 files changed, 288 insertions, 0 deletions
diff --git a/tools/misc/xen-tmem-list-parse.c b/tools/misc/xen-tmem-list-parse.c
new file mode 100644
index 0000000000..383daee158
--- /dev/null
+++ b/tools/misc/xen-tmem-list-parse.c
@@ -0,0 +1,288 @@
+/*
+ * Parse output from tmem-list and reformat to human-readable
+ *
+ * NOTE: NEVER delete a parse call as this file documents backwards
+ * compatibility for older versions of tmem-list and we don't want to
+ * accidentally reuse an old tag
+ *
+ * Copyright (c) 2009, Dan Magenheimer, Oracle Corp.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+
+#define BUFSIZE 4096
+#define PAGE_SIZE 4096
+
+unsigned long long parse(char *s,char *match)
+{
+ char *s1 = strstr(s,match);
+ unsigned long long ret;
+
+ if ( s1 == NULL )
+ return 0LL;
+ s1 += 2;
+ if ( *s1++ != ':' )
+ return 0LL;
+ sscanf(s1,"%llu",&ret);
+ return ret;
+}
+
+unsigned long long parse2(char *s,char *match1, char *match2)
+{
+ char match[3];
+ match[0] = *match1;
+ match[1] = *match2;
+ match[2] = '\0';
+ return parse(s,match);
+}
+
+void parse_string(char *s,char *match, char *buf, int len)
+{
+ char *s1 = strstr(s,match);
+ int i;
+
+ if ( s1 == NULL )
+ return;
+ s1 += 2;
+ if ( *s1++ != ':' )
+ return;
+ for ( i = 0; i < len; i++ )
+ *buf++ = *s1++;
+}
+
+void parse_sharers(char *s, char *match, char *buf, int len)
+{
+ char *s1 = strstr(s,match);
+ char *b = buf;
+
+ if ( s1 == NULL )
+ return;
+ while ( s1 )
+ {
+ s1 += 2;
+ if (*s1++ != ':')
+ return;
+ while (*s1 <= '0' && *s1 <= '9')
+ *b++ = *s1++;
+ *b++ = ',';
+ s1 = strstr(s1,match);
+ }
+ if ( b != buf )
+ *--b = '\0';
+}
+
+void parse_global(char *s)
+{
+ unsigned long long total_ops = parse(s,"Tt");
+ unsigned long long errored_ops = parse(s,"Te");
+ unsigned long long failed_copies = parse(s,"Cf");
+ unsigned long long alloc_failed = parse(s,"Af");
+ unsigned long long alloc_page_failed = parse(s,"Pf");
+ unsigned long long avail_pages = parse(s,"Ta");
+ unsigned long long low_on_memory = parse(s,"Lm");
+ unsigned long long evicted_pgs = parse(s,"Et");
+ unsigned long long evict_attempts = parse(s,"Ea");
+ unsigned long long relinq_pgs = parse(s,"Rt");
+ unsigned long long relinq_attempts = parse(s,"Ra");
+ unsigned long long max_evicts_per_relinq = parse(s,"Rx");
+ unsigned long long total_flush_pool = parse(s,"Fp");
+ unsigned long long global_eph_count = parse(s,"Ec");
+ unsigned long long global_eph_max = parse(s,"Em");
+ unsigned long long obj_count = parse(s,"Oc");
+ unsigned long long obj_max = parse(s,"Om");
+ unsigned long long rtree_node_count = parse(s,"Nc");
+ unsigned long long rtree_node_max = parse(s,"Nm");
+ unsigned long long pgp_count = parse(s,"Pc");
+ unsigned long long pgp_max = parse(s,"Pm");
+
+ printf("total tmem ops=%llu (errors=%llu) -- tmem pages avail=%llu\n",
+ total_ops, errored_ops, avail_pages);
+ printf("datastructs: objs=%llu (max=%llu) pgps=%llu (max=%llu) "
+ "nodes=%llu (max=%llu)\n",
+ obj_count, obj_max, pgp_count, pgp_max,
+ rtree_node_count, rtree_node_max);
+ printf("misc: failed_copies=%llu alloc_failed=%llu alloc_page_failed=%llu "
+ "low_mem=%llu evicted=%llu/%llu relinq=%llu/%llu, "
+ "max_evicts_per_relinq=%llu, flush_pools=%llu, "
+ "eph_count=%llu, eph_max=%llu\n",
+ failed_copies, alloc_failed, alloc_page_failed, low_on_memory,
+ evicted_pgs, evict_attempts, relinq_pgs, relinq_attempts,
+ max_evicts_per_relinq, total_flush_pool,
+ global_eph_count, global_eph_max);
+}
+
+#define PARSE_CYC_COUNTER(s,x,prefix) unsigned long long \
+ x##_count = parse2(s,prefix,"n"), \
+ x##_sum_cycles = parse2(s,prefix,"t"), \
+ x##_max_cycles = parse2(s,prefix,"x"), \
+ x##_min_cycles = parse2(s,prefix,"m")
+#define PRINTF_CYC_COUNTER(x,text) \
+ if (x##_count) printf(text" avg=%llu, max=%llu, " \
+ "min=%llu, samples=%llu\n", \
+ x##_sum_cycles ? (x##_sum_cycles/x##_count) : 0, \
+ x##_max_cycles, x##_min_cycles, x##_count)
+
+void parse_time_stats(char *s)
+{
+ PARSE_CYC_COUNTER(s,succ_get,"G");
+ PARSE_CYC_COUNTER(s,succ_put,"P");
+ PARSE_CYC_COUNTER(s,non_succ_get,"g");
+ PARSE_CYC_COUNTER(s,non_succ_put,"p");
+ PARSE_CYC_COUNTER(s,flush,"F");
+ PARSE_CYC_COUNTER(s,flush_obj,"O");
+ PARSE_CYC_COUNTER(s,pg_copy,"C");
+ PARSE_CYC_COUNTER(s,compress,"c");
+ PARSE_CYC_COUNTER(s,decompress,"d");
+
+ PRINTF_CYC_COUNTER(succ_get,"succ get cycles:");
+ PRINTF_CYC_COUNTER(succ_put,"succ put cycles:");
+ PRINTF_CYC_COUNTER(non_succ_get,"failed get cycles:");
+ PRINTF_CYC_COUNTER(non_succ_put,"failed put cycles:");
+ PRINTF_CYC_COUNTER(flush,"flush cycles:");
+ PRINTF_CYC_COUNTER(flush_obj,"flush_obj cycles:");
+ PRINTF_CYC_COUNTER(pg_copy,"page copy cycles:");
+ PRINTF_CYC_COUNTER(compress,"compression cycles:");
+ PRINTF_CYC_COUNTER(decompress,"decompression cycles:");
+}
+
+void parse_client(char *s)
+{
+ unsigned long cli_id = parse(s,"CI");
+ unsigned long weight = parse(s,"ww");
+ unsigned long cap = parse(s,"ca");
+ unsigned long compress = parse(s,"co");
+ unsigned long frozen = parse(s,"fr");
+ unsigned long long eph_count = parse(s,"Ec");
+ unsigned long long max_eph_count = parse(s,"Em");
+ unsigned long long compressed_pages = parse(s,"cp");
+ unsigned long long compressed_sum_size = parse(s,"cb");
+ unsigned long long compress_poor = parse(s,"cn");
+ unsigned long long compress_nomem = parse(s,"cm");
+
+ printf("domid%lu: weight=%lu,cap=%lu,compress=%d,frozen=%d,"
+ "eph_count=%llu,max_eph=%llu,"
+ "compression ratio=%lu%% (samples=%llu,poor=%llu,nomem=%llu)\n",
+ cli_id, weight, cap, compress?1:0, frozen?1:0,
+ eph_count, max_eph_count,
+ compressed_pages ? (long)((compressed_sum_size*100LL) /
+ (compressed_pages*PAGE_SIZE)) : 0,
+ compressed_pages, compress_poor, compress_nomem);
+
+}
+
+void parse_pool(char *s)
+{
+ char pool_type[3];
+ unsigned long cli_id = parse(s,"CI");
+ unsigned long pool_id = parse(s,"PI");
+ unsigned long long pgp_count = parse(s,"Pc");
+ unsigned long long max_pgp_count = parse(s,"Pm");
+ unsigned long long obj_count = parse(s,"Oc");
+ unsigned long long max_obj_count = parse(s,"Om");
+ unsigned long long objnode_count = parse(s,"Nc");
+ unsigned long long max_objnode_count = parse(s,"Nm");
+ unsigned long long good_puts = parse(s,"ps");
+ unsigned long long puts = parse(s,"pt");
+ unsigned long long no_mem_puts = parse(s,"px");
+ unsigned long long dup_puts_flushed = parse(s,"pd");
+ unsigned long long dup_puts_replaced = parse(s,"pr");
+ unsigned long long found_gets = parse(s,"gs");
+ unsigned long long gets = parse(s,"gt");
+ unsigned long long flushs_found = parse(s,"fs");
+ unsigned long long flushs = parse(s,"ft");
+ unsigned long long flush_objs_found = parse(s,"os");
+ unsigned long long flush_objs = parse(s,"ot");
+
+ parse_string(s,"PT",pool_type,2);
+ printf("domid%lu,id%lu[%s]:pgp=%llu(max=%llu) obj=%llu(%llu) "
+ "objnode=%llu(%llu) puts=%llu/%llu/%llu(dup=%llu/%llu) "
+ "gets=%llu/%llu(%llu%%) "
+ "flush=%llu/%llu flobj=%llu/%llu\n",
+ cli_id, pool_id, pool_type,
+ pgp_count, max_pgp_count, obj_count, max_obj_count,
+ objnode_count, max_objnode_count,
+ good_puts, puts, no_mem_puts,
+ dup_puts_flushed, dup_puts_replaced,
+ found_gets, gets,
+ gets ? (found_gets*100LL)/gets : 0,
+ flushs_found, flushs, flush_objs_found, flush_objs);
+
+}
+
+void parse_shared_pool(char *s)
+{
+ char pool_type[3];
+ char buf[BUFSIZE];
+ unsigned long pool_id = parse(s,"PI");
+ unsigned long long uid0 = parse(s,"U0");
+ unsigned long long uid1 = parse(s,"U1");
+ unsigned long long pgp_count = parse(s,"Pc");
+ unsigned long long max_pgp_count = parse(s,"Pm");
+ unsigned long long obj_count = parse(s,"Oc");
+ unsigned long long max_obj_count = parse(s,"Om");
+ unsigned long long objnode_count = parse(s,"Nc");
+ unsigned long long max_objnode_count = parse(s,"Nm");
+ unsigned long long good_puts = parse(s,"ps");
+ unsigned long long puts = parse(s,"pt");
+ unsigned long long no_mem_puts = parse(s,"px");
+ unsigned long long dup_puts_flushed = parse(s,"pd");
+ unsigned long long dup_puts_replaced = parse(s,"pr");
+ unsigned long long found_gets = parse(s,"gs");
+ unsigned long long gets = parse(s,"gt");
+ unsigned long long flushs_found = parse(s,"fs");
+ unsigned long long flushs = parse(s,"ft");
+ unsigned long long flush_objs_found = parse(s,"os");
+ unsigned long long flush_objs = parse(s,"ot");
+
+ parse_string(s,"PT",pool_type,2);
+ parse_sharers(s,"SC",buf,BUFSIZE);
+ printf("poolid=%lu[%s] uuid=%llu.%llu, shared-by:%s: "
+ "pgp=%llu(max=%llu) obj=%llu(%llu) "
+ "objnode=%llu(%llu) puts=%llu/%llu/%llu(dup=%llu/%llu) "
+ "gets=%llu/%llu(%llu%%) "
+ "flush=%llu/%llu flobj=%llu/%llu\n",
+ pool_id, pool_type, uid0, uid1, buf,
+ pgp_count, max_pgp_count, obj_count, max_obj_count,
+ objnode_count, max_objnode_count,
+ good_puts, puts, no_mem_puts,
+ dup_puts_flushed, dup_puts_replaced,
+ found_gets, gets,
+ gets ? (found_gets*100LL)/gets : 0,
+ flushs_found, flushs, flush_objs_found, flush_objs);
+}
+
+int main(int ac, char **av)
+{
+ char *p, c;
+ char buf[BUFSIZE];
+
+ while ( (p = fgets(buf,BUFSIZE,stdin)) != NULL )
+ {
+ c = *p++;
+ if ( *p++ != '=' )
+ continue;
+ switch ( c )
+ {
+ case 'G':
+ parse_global(p);
+ break;
+ case 'T':
+ parse_time_stats(p);
+ break;
+ case 'C':
+ parse_client(p);
+ break;
+ case 'P':
+ parse_pool(p);
+ break;
+ case 'S':
+ parse_shared_pool(p);
+ break;
+ default:
+ continue;
+ }
+ }
+ return 0;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-16 20:56:45 +0000