修改4g拨号为QMI,需要在系统里后台执行quectel-CM

hc

2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5

 kernel/tools/perf/util/unwind-libunwind-local.c
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@@ -25,6 +25,7 @@
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 #include <unistd.h>
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 #include <sys/mman.h>
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 #include <linux/list.h>
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+#include <linux/zalloc.h>
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 #ifndef REMOTE_UNWIND_LIBUNWIND
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 #include <libunwind.h>
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 #include <libunwind-ptrace.h>
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@@ -34,8 +35,8 @@
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 #include "session.h"
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 #include "perf_regs.h"
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 #include "unwind.h"
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+#include "map.h"
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 #include "symbol.h"
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-#include "util.h"
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 #include "debug.h"
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 #include "asm/bug.h"
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 #include "dso.h"
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@@ -242,7 +243,7 @@
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 	 *    encoded_t fde_addr;
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 	 * } binary_search_table[fde_count];
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 	 */
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-	char data[0];
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+	char data[];
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 } __packed;
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 static int unwind_spec_ehframe(struct dso *dso, struct machine *machine,
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@@ -344,7 +345,7 @@
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 							__func__,
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 							dso->symsrc_filename,
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 							debuglink);
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-					free(dso->symsrc_filename);
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+					zfree(&dso->symsrc_filename);
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 				}
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 				dso->symsrc_filename = debuglink;
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 			} else {
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@@ -574,9 +575,10 @@
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 	struct unwind_entry e;
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 	struct addr_location al;
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-	e.sym = thread__find_symbol(thread, PERF_RECORD_MISC_USER, ip, &al);
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-	e.ip  = ip;
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-	e.map = al.map;
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+	e.ms.sym = thread__find_symbol(thread, PERF_RECORD_MISC_USER, ip, &al);
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+	e.ip     = ip;
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+	e.ms.map = al.map;
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+	e.ms.maps = al.maps;
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 	pr_debug("unwind: %s:ip = 0x%" PRIx64 " (0x%" PRIx64 ")\n",
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 		 al.sym ? al.sym->name : "''",
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@@ -614,32 +616,26 @@
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 	.get_proc_name		= get_proc_name,
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 };
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-static int _unwind__prepare_access(struct thread *thread)
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+static int _unwind__prepare_access(struct maps *maps)
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 {
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-	if (!dwarf_callchain_users)
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-		return 0;
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-	thread->addr_space = unw_create_addr_space(&accessors, 0);
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-	if (!thread->addr_space) {
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+	maps->addr_space = unw_create_addr_space(&accessors, 0);
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+	if (!maps->addr_space) {
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 		pr_err("unwind: Can't create unwind address space.\n");
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 		return -ENOMEM;
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 	}
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-	unw_set_caching_policy(thread->addr_space, UNW_CACHE_GLOBAL);
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+	unw_set_caching_policy(maps->addr_space, UNW_CACHE_GLOBAL);
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 	return 0;
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 }
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-static void _unwind__flush_access(struct thread *thread)
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+static void _unwind__flush_access(struct maps *maps)
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 {
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-	if (!dwarf_callchain_users)
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-		return;
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-	unw_flush_cache(thread->addr_space, 0, 0);
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+	unw_flush_cache(maps->addr_space, 0, 0);
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 }
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-static void _unwind__finish_access(struct thread *thread)
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+static void _unwind__finish_access(struct maps *maps)
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 {
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-	if (!dwarf_callchain_users)
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-		return;
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-	unw_destroy_addr_space(thread->addr_space);
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+	unw_destroy_addr_space(maps->addr_space);
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 }
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 static int get_entries(struct unwind_info *ui, unwind_entry_cb_t cb,
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@@ -664,7 +660,7 @@
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 	 */
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 	if (max_stack - 1 > 0) {
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 		WARN_ONCE(!ui->thread, "WARNING: ui->thread is NULL");
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-		addr_space = ui->thread->addr_space;
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+		addr_space = ui->thread->maps->addr_space;
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 		if (addr_space == NULL)
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 			return -1;
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@@ -713,7 +709,7 @@
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 	struct unwind_info ui = {
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 		.sample       = data,
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 		.thread       = thread,
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-		.machine      = thread->mg->machine,
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+		.machine      = thread->maps->machine,
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 	};
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 	if (!data->user_regs.regs)