diff --git a/libdw/libdw.map b/libdw/libdw.map
index 4f3fe6ba..fb69a62a 100644
--- a/libdw/libdw.map
+++ b/libdw/libdw.map
@@ -396,4 +396,8 @@ ELFUTILS_0.193 {
 ELFUTILS_0.193_EXPERIMENTAL {
   global:
     dwflst_perf_sample_preferred_regs_mask;
+    dwflst_perf_sample_preferred_regs_mask;
+    dwflst_tracker_begin;
+    dwflst_tracker_dwfl_begin;
+    dwflst_tracker_end;
 };
diff --git a/libdwfl/libdwflP.h b/libdwfl/libdwflP.h
index 2b7eb8da..57305f81 100644
--- a/libdwfl/libdwflP.h
+++ b/libdwfl/libdwflP.h
@@ -111,9 +111,13 @@ struct Dwfl_User_Core
   int fd;                       /* close if >= 0.  */
 };
 
+/* forward decl from ../libdwfl_stacktrace/ */
+typedef struct Dwflst_Process_Tracker Dwflst_Process_Tracker;
+
 struct Dwfl
 {
   const Dwfl_Callbacks *callbacks;
+  Dwflst_Process_Tracker *tracker;
 #ifdef ENABLE_LIBDEBUGINFOD
   debuginfod_client *debuginfod;
 #endif
diff --git a/libdwfl_stacktrace/Makefile.am b/libdwfl_stacktrace/Makefile.am
index 6364c292..d57431c0 100644
--- a/libdwfl_stacktrace/Makefile.am
+++ b/libdwfl_stacktrace/Makefile.am
@@ -40,7 +40,8 @@ noinst_LIBRARIES += libdwfl_stacktrace_pic.a
 pkginclude_HEADERS = libdwfl_stacktrace.h
 
 
-libdwfl_stacktrace_a_SOURCES = dwflst_perf_frame.c
+libdwfl_stacktrace_a_SOURCES = dwflst_process_tracker.c \
+			       dwflst_perf_frame.c
 
 libdwfl_stacktrace = $(libdw)
 libdw = ../libdw/libdw.so
diff --git a/libdwfl_stacktrace/dwflst_process_tracker.c b/libdwfl_stacktrace/dwflst_process_tracker.c
new file mode 100644
index 00000000..057c9f7a
--- /dev/null
+++ b/libdwfl_stacktrace/dwflst_process_tracker.c
@@ -0,0 +1,66 @@
+/* Track multiple Dwfl structs for multiple processes.
+   Copyright (C) 2025, Red Hat, Inc.
+   This file is part of elfutils.
+
+   This file is free software; you can redistribute it and/or modify
+   it under the terms of either
+
+     * the GNU Lesser General Public License as published by the Free
+       Software Foundation; either version 3 of the License, or (at
+       your option) any later version
+
+   or
+
+     * the GNU General Public License as published by the Free
+       Software Foundation; either version 2 of the License, or (at
+       your option) any later version
+
+   or both in parallel, as here.
+
+   elfutils is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received copies of the GNU General Public License and
+   the GNU Lesser General Public License along with this program.  If
+   not, see <http://www.gnu.org/licenses/>.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "libdwfl_stacktraceP.h"
+
+Dwflst_Process_Tracker *dwflst_tracker_begin (const Dwfl_Callbacks *callbacks)
+{
+  Dwflst_Process_Tracker *tracker = calloc (1, sizeof *tracker);
+  if (tracker == NULL)
+    {
+      __libdwfl_seterrno (DWFL_E_NOMEM);
+      return tracker;
+    }
+
+  tracker->callbacks = callbacks;
+  return tracker;
+}
+
+Dwfl *dwflst_tracker_dwfl_begin (Dwflst_Process_Tracker *tracker)
+{
+  Dwfl *dwfl = INTUSE(dwfl_begin) (tracker->callbacks);
+  if (dwfl == NULL)
+    return dwfl;
+
+  /* TODO: Could also share dwfl->debuginfod, but thread-safely? */
+  dwfl->tracker = tracker;
+  return dwfl;
+}
+
+void dwflst_tracker_end (Dwflst_Process_Tracker *tracker)
+{
+  if (tracker == NULL)
+    return;
+
+  /* TODO: Call dwfl_end for each Dwfl connected to this tracker. */
+  free (tracker);
+}
diff --git a/libdwfl_stacktrace/libdwfl_stacktrace.h b/libdwfl_stacktrace/libdwfl_stacktrace.h
index 564f504a..f3a82d18 100644
--- a/libdwfl_stacktrace/libdwfl_stacktrace.h
+++ b/libdwfl_stacktrace/libdwfl_stacktrace.h
@@ -41,6 +41,26 @@
 extern "C" {
 #endif
 
+/* Keeps track of and caches Elf structs across multiple libdwfl
+   sessions corresponding to different processes.  */
+typedef struct Dwflst_Process_Tracker Dwflst_Process_Tracker;
+
+
+/* Initialize a new tracker for multiple libdwfl sessions.  Since Elf
+   data will shared between the libdwfl sessions, each Dwfl must use
+   the same Dwfl_Callbacks CALLBACKS provided when the tracker is
+   created.  */
+extern Dwflst_Process_Tracker *dwflst_tracker_begin (const Dwfl_Callbacks *callbacks)
+  __nonnull_attribute__ (1);
+
+/* Create a new Dwfl linked to this tracker.  */
+extern Dwfl *dwflst_tracker_dwfl_begin (Dwflst_Process_Tracker *tracker)
+  __nonnull_attribute__ (1);
+
+/* End all sessions with this tracker.  */
+extern void dwflst_tracker_end (Dwflst_Process_Tracker *tracker);
+
+
 /* XXX dwflst_perf_sample_getframes to be added in subsequent patch */
 
 /* Returns the linux perf_events register mask describing a set of
diff --git a/libdwfl_stacktrace/libdwfl_stacktraceP.h b/libdwfl_stacktrace/libdwfl_stacktraceP.h
index fe6945fc..9313176c 100644
--- a/libdwfl_stacktrace/libdwfl_stacktraceP.h
+++ b/libdwfl_stacktrace/libdwfl_stacktraceP.h
@@ -33,4 +33,10 @@
 
 #include "libdwflP.h"
 
+struct Dwflst_Process_Tracker
+{
+  const Dwfl_Callbacks *callbacks;
+  /* ... */
+};
+
 #endif  /* libdwfl_stacktraceP.h */