1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0 2*4882a593Smuzhiyun #include <stdio.h> 3*4882a593Smuzhiyun #include "pmu.h" 4*4882a593Smuzhiyun #include "topdown.h" 5*4882a593Smuzhiyun topdown_filter_events(const char ** attr,char ** str,bool use_group)6*4882a593Smuzhiyunint topdown_filter_events(const char **attr, char **str, bool use_group) 7*4882a593Smuzhiyun { 8*4882a593Smuzhiyun int off = 0; 9*4882a593Smuzhiyun int i; 10*4882a593Smuzhiyun int len = 0; 11*4882a593Smuzhiyun char *s; 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun for (i = 0; attr[i]; i++) { 14*4882a593Smuzhiyun if (pmu_have_event("cpu", attr[i])) { 15*4882a593Smuzhiyun len += strlen(attr[i]) + 1; 16*4882a593Smuzhiyun attr[i - off] = attr[i]; 17*4882a593Smuzhiyun } else 18*4882a593Smuzhiyun off++; 19*4882a593Smuzhiyun } 20*4882a593Smuzhiyun attr[i - off] = NULL; 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun *str = malloc(len + 1 + 2); 23*4882a593Smuzhiyun if (!*str) 24*4882a593Smuzhiyun return -1; 25*4882a593Smuzhiyun s = *str; 26*4882a593Smuzhiyun if (i - off == 0) { 27*4882a593Smuzhiyun *s = 0; 28*4882a593Smuzhiyun return 0; 29*4882a593Smuzhiyun } 30*4882a593Smuzhiyun if (use_group) 31*4882a593Smuzhiyun *s++ = '{'; 32*4882a593Smuzhiyun for (i = 0; attr[i]; i++) { 33*4882a593Smuzhiyun strcpy(s, attr[i]); 34*4882a593Smuzhiyun s += strlen(s); 35*4882a593Smuzhiyun *s++ = ','; 36*4882a593Smuzhiyun } 37*4882a593Smuzhiyun if (use_group) { 38*4882a593Smuzhiyun s[-1] = '}'; 39*4882a593Smuzhiyun *s = 0; 40*4882a593Smuzhiyun } else 41*4882a593Smuzhiyun s[-1] = 0; 42*4882a593Smuzhiyun return 0; 43*4882a593Smuzhiyun } 44*4882a593Smuzhiyun arch_topdown_check_group(bool * warn)45*4882a593Smuzhiyun__weak bool arch_topdown_check_group(bool *warn) 46*4882a593Smuzhiyun { 47*4882a593Smuzhiyun *warn = false; 48*4882a593Smuzhiyun return false; 49*4882a593Smuzhiyun } 50*4882a593Smuzhiyun arch_topdown_group_warn(void)51*4882a593Smuzhiyun__weak void arch_topdown_group_warn(void) 52*4882a593Smuzhiyun { 53*4882a593Smuzhiyun } 54*4882a593Smuzhiyun arch_topdown_sample_read(struct evsel * leader __maybe_unused)55*4882a593Smuzhiyun__weak bool arch_topdown_sample_read(struct evsel *leader __maybe_unused) 56*4882a593Smuzhiyun { 57*4882a593Smuzhiyun return false; 58*4882a593Smuzhiyun } 59