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author | Ian Campbell <ian.campbell@citrix.com> | 2010-10-18 17:37:31 +0100 |
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committer | Ian Campbell <ian.campbell@citrix.com> | 2010-10-18 17:37:31 +0100 |
commit | 656ba9748a4af226415bf77039a20a1948444445 (patch) | |
tree | f0876fb377f6f4f7628e2813aad37bcda80ba862 /tools/misc/xenperf.c | |
parent | 5924f32d9c26f2b9475ea08499fbd5ca95df332c (diff) | |
download | xen-656ba9748a4af226415bf77039a20a1948444445.tar.gz xen-656ba9748a4af226415bf77039a20a1948444445.tar.bz2 xen-656ba9748a4af226415bf77039a20a1948444445.zip |
libxc: simplify performance counters API
Current function has heavily overloaded semantics for the various
arguments. Separate out into more specific functions.
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Diffstat (limited to 'tools/misc/xenperf.c')
-rw-r--r-- | tools/misc/xenperf.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/tools/misc/xenperf.c b/tools/misc/xenperf.c index 3730efdbb7..583abc1f82 100644 --- a/tools/misc/xenperf.c +++ b/tools/misc/xenperf.c @@ -137,8 +137,7 @@ int main(int argc, char *argv[]) if ( reset ) { - if ( xc_perfc_control(xc_handle, XEN_SYSCTL_PERFCOP_reset, - NULL, NULL, NULL, NULL) != 0 ) + if ( xc_perfc_reset(xc_handle) != 0 ) { fprintf(stderr, "Error reseting performance counters: %d (%s)\n", errno, strerror(errno)); @@ -148,8 +147,7 @@ int main(int argc, char *argv[]) return 0; } - if ( xc_perfc_control(xc_handle, XEN_SYSCTL_PERFCOP_query, - NULL, NULL, &num_desc, &num_val) != 0 ) + if ( xc_perfc_query_number(xc_handle, &num_desc, &num_val) != 0 ) { fprintf(stderr, "Error getting number of perf counters: %d (%s)\n", errno, strerror(errno)); @@ -169,8 +167,7 @@ int main(int argc, char *argv[]) exit(-1); } - if ( xc_perfc_control(xc_handle, XEN_SYSCTL_PERFCOP_query, - pcd, pcv, NULL, NULL) != 0 ) + if ( xc_perfc_query(xc_handle, pcd, pcv) != 0 ) { fprintf(stderr, "Error getting perf counter: %d (%s)\n", errno, strerror(errno)); |