[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit
Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/app/busybox/src/procps/pmap.c b/ap/app/busybox/src/procps/pmap.c
new file mode 100644
index 0000000..fd995a5
--- /dev/null
+++ b/ap/app/busybox/src/procps/pmap.c
@@ -0,0 +1,111 @@
+/*
+ * pmap implementation for busybox
+ *
+ * Copyright (C) 2010 Nokia Corporation. All rights reserved.
+ * Written by Alexander Shishkin <virtuoso@slind.org>
+ *
+ * Licensed under GPLv2 or later, see the LICENSE file in this source tree
+ * for details.
+ */
+
+//config:config PMAP
+//config: bool "pmap"
+//config: default y
+//config: help
+//config: Display processes' memory mappings.
+
+//applet:IF_PMAP(APPLET(pmap, BB_DIR_USR_BIN, BB_SUID_DROP))
+//kbuild:lib-$(CONFIG_PMAP) += pmap.o
+
+//usage:#define pmap_trivial_usage
+//usage: "[-xq] PID"
+//usage:#define pmap_full_usage "\n\n"
+//usage: "Display detailed process memory usage"
+//usage: "\n"
+//usage: "\n -x Show details"
+//usage: "\n -q Quiet"
+
+#include "libbb.h"
+
+#if ULONG_MAX == 0xffffffff
+# define TABS "\t"
+# define AFMT "8"
+# define DASHES ""
+#else
+# define TABS "\t\t"
+# define AFMT "16"
+# define DASHES "--------"
+#endif
+
+enum {
+ OPT_x = 1 << 0,
+ OPT_q = 1 << 1,
+};
+
+static void print_smaprec(struct smaprec *currec, void *data)
+{
+ unsigned opt = (uintptr_t)data;
+
+ printf("%0" AFMT "lx ", currec->smap_start);
+
+ if (opt & OPT_x)
+ printf("%7lu %7lu %7lu %7lu ",
+ currec->smap_size,
+ currec->smap_pss,
+ currec->private_dirty,
+ currec->smap_swap);
+ else
+ printf("%7luK", currec->smap_size);
+
+ printf(" %.4s %s\n", currec->smap_mode, currec->smap_name);
+}
+
+static int procps_get_maps(pid_t pid, unsigned opt)
+{
+ struct smaprec total;
+ int ret;
+ char buf[256];
+
+ read_cmdline(buf, sizeof(buf), pid, "no such process");
+ printf("%u: %s\n", (int)pid, buf);
+
+ if (!(opt & OPT_q) && (opt & OPT_x))
+ puts("Address" TABS " Kbytes PSS Dirty Swap Mode Mapping");
+
+ memset(&total, 0, sizeof(total));
+
+ ret = procps_read_smaps(pid, &total, print_smaprec, (void*)(uintptr_t)opt);
+ if (ret)
+ return ret;
+
+ if (!(opt & OPT_q)) {
+ if (opt & OPT_x)
+ printf("--------" DASHES " ------ ------ ------ ------\n"
+ "total" TABS " %7lu %7lu %7lu %7lu\n",
+ total.smap_size, total.smap_pss, total.private_dirty, total.smap_swap);
+ else
+ printf("mapped: %luK\n", total.smap_size);
+ }
+
+ return 0;
+}
+
+int pmap_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int pmap_main(int argc UNUSED_PARAM, char **argv)
+{
+ unsigned opts;
+ int ret;
+
+ opts = getopt32(argv, "xq");
+ argv += optind;
+
+ ret = 0;
+ while (*argv) {
+ pid_t pid = xatoi_positive(*argv++);
+ /* GNU pmap returns 42 if any of the pids failed */
+ if (procps_get_maps(pid, opts) != 0)
+ ret = 42;
+ }
+
+ return ret;
+}